| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2021-09-10 22:50:13 UTC |
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| Update Date | 2021-09-26 22:54:28 UTC |
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| HMDB ID | HMDB0245784 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | 3-(Aminomethyl)-5-methylhexanoic acid |
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| Description | 3-(Aminomethyl)-5-methylhexanoic acid, also known as 3-isobutyl gaba or pregabalin, belongs to the class of organic compounds known as gamma amino acids and derivatives. These are amino acids having a (-NH2) group attached to the gamma carbon atom. Based on a literature review a significant number of articles have been published on 3-(Aminomethyl)-5-methylhexanoic acid. This compound has been identified in human blood as reported by (PMID: 31557052 ). 3-(aminomethyl)-5-methylhexanoic acid is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 3-(Aminomethyl)-5-methylhexanoic acid is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources. |
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| Structure | InChI=1S/C8H17NO2/c1-6(2)3-7(5-9)4-8(10)11/h6-7H,3-5,9H2,1-2H3,(H,10,11) |
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| Synonyms | | Value | Source |
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| 3-(Aminomethyl)-5-methylhexanoate | Generator | | Pregabalin | HMDB | | Lyrica | HMDB | | 3-Isobutyl gaba | HMDB | | 3 Isobutyl gaba | HMDB | | (S)-3-(Aminomethyl)-5-methylhexanoic acid | HMDB | | GABA, 3-isobutyl | HMDB | | (R-)-3-Isobutyl gaba | HMDB | | (S+)-3-isobutyl gaba | HMDB |
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| Chemical Formula | C8H17NO2 |
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| Average Molecular Weight | 159.2261 |
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| Monoisotopic Molecular Weight | 159.125928793 |
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| IUPAC Name | 3-(aminomethyl)-5-methylhexanoic acid |
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| Traditional Name | 3-(aminomethyl)-5-methylhexanoic acid |
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| CAS Registry Number | Not Available |
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| SMILES | CC(C)CC(CN)CC(O)=O |
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| InChI Identifier | InChI=1S/C8H17NO2/c1-6(2)3-7(5-9)4-8(10)11/h6-7H,3-5,9H2,1-2H3,(H,10,11) |
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| InChI Key | AYXYPKUFHZROOJ-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as gamma amino acids and derivatives. These are amino acids having a (-NH2) group attached to the gamma carbon atom. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Carboxylic acids and derivatives |
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| Sub Class | Amino acids, peptides, and analogues |
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| Direct Parent | Gamma amino acids and derivatives |
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| Alternative Parents | |
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| Substituents | - Gamma amino acid or derivatives
- Medium-chain fatty acid
- Amino fatty acid
- Branched fatty acid
- Fatty acyl
- Fatty acid
- Amino acid
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Amine
- Primary amine
- Organooxygen compound
- Organonitrogen compound
- Hydrocarbon derivative
- Primary aliphatic amine
- Organic oxide
- Organopnictogen compound
- Carbonyl group
- Organic oxygen compound
- Organic nitrogen compound
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | Not Available |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | Not Available |
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| Role | Not Available |
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| Physical Properties |
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| State | Not Available |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Predicted by Siyang on May 30, 2022 | 9.8474 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 5.5 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 782.5 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 269.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 99.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 162.3 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 70.3 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 300.0 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 298.7 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 412.1 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 666.6 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 246.0 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 859.2 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 180.1 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 236.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 462.2 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 377.7 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 208.1 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 3-(Aminomethyl)-5-methylhexanoic acid,2TMS,isomer #1 | CC(C)CC(CN[Si](C)(C)C)CC(=O)O[Si](C)(C)C | 1508.9 | Semi standard non polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,2TMS,isomer #1 | CC(C)CC(CN[Si](C)(C)C)CC(=O)O[Si](C)(C)C | 1569.4 | Standard non polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,2TMS,isomer #1 | CC(C)CC(CN[Si](C)(C)C)CC(=O)O[Si](C)(C)C | 1610.0 | Standard polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,2TMS,isomer #2 | CC(C)CC(CC(=O)O)CN([Si](C)(C)C)[Si](C)(C)C | 1712.0 | Semi standard non polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,2TMS,isomer #2 | CC(C)CC(CC(=O)O)CN([Si](C)(C)C)[Si](C)(C)C | 1620.8 | Standard non polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,2TMS,isomer #2 | CC(C)CC(CC(=O)O)CN([Si](C)(C)C)[Si](C)(C)C | 1790.5 | Standard polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,3TMS,isomer #1 | CC(C)CC(CC(=O)O[Si](C)(C)C)CN([Si](C)(C)C)[Si](C)(C)C | 1720.3 | Semi standard non polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,3TMS,isomer #1 | CC(C)CC(CC(=O)O[Si](C)(C)C)CN([Si](C)(C)C)[Si](C)(C)C | 1713.0 | Standard non polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,3TMS,isomer #1 | CC(C)CC(CC(=O)O[Si](C)(C)C)CN([Si](C)(C)C)[Si](C)(C)C | 1607.8 | Standard polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,2TBDMS,isomer #1 | CC(C)CC(CN[Si](C)(C)C(C)(C)C)CC(=O)O[Si](C)(C)C(C)(C)C | 1968.1 | Semi standard non polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,2TBDMS,isomer #1 | CC(C)CC(CN[Si](C)(C)C(C)(C)C)CC(=O)O[Si](C)(C)C(C)(C)C | 1943.5 | Standard non polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,2TBDMS,isomer #1 | CC(C)CC(CN[Si](C)(C)C(C)(C)C)CC(=O)O[Si](C)(C)C(C)(C)C | 1898.9 | Standard polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,2TBDMS,isomer #2 | CC(C)CC(CC(=O)O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2113.4 | Semi standard non polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,2TBDMS,isomer #2 | CC(C)CC(CC(=O)O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 1992.1 | Standard non polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,2TBDMS,isomer #2 | CC(C)CC(CC(=O)O)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 1995.0 | Standard polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,3TBDMS,isomer #1 | CC(C)CC(CC(=O)O[Si](C)(C)C(C)(C)C)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2391.2 | Semi standard non polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,3TBDMS,isomer #1 | CC(C)CC(CC(=O)O[Si](C)(C)C(C)(C)C)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2266.2 | Standard non polar | 33892256 | | 3-(Aminomethyl)-5-methylhexanoic acid,3TBDMS,isomer #1 | CC(C)CC(CC(=O)O[Si](C)(C)C(C)(C)C)CN([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2002.2 | Standard polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-001i-9100000000-ff23b21ef03ce99e7cce | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid 10V, Positive-QTOF | splash10-0006-0900000000-0c884936ec29f20dd446 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid 20V, Positive-QTOF | splash10-03gm-6900000000-23dfe4b72da1fc9c4626 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid 40V, Positive-QTOF | splash10-0a59-9000000000-9031d5c8ed5b57a81976 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid 10V, Negative-QTOF | splash10-0bt9-0900000000-accf556a8a6b8e350bdb | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid 20V, Negative-QTOF | splash10-08fu-0900000000-12de3f3fc39ea95aa707 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid 40V, Negative-QTOF | splash10-06r7-9300000000-786230bccf21c5d87ec1 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid 10V, Positive-QTOF | splash10-03dl-3900000000-be9b61b004df08699e41 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid 20V, Positive-QTOF | splash10-0a5a-9300000000-8ca83d88c3f462e7df44 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid 40V, Positive-QTOF | splash10-0a4i-9000000000-f51a4cccee10793ab4bc | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid 10V, Negative-QTOF | splash10-0a4i-0900000000-9a69331cda0e3a9127fb | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid 20V, Negative-QTOF | splash10-006x-1900000000-1b2b78d65f2bb4171c8c | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-(Aminomethyl)-5-methylhexanoic acid 40V, Negative-QTOF | splash10-0006-9000000000-6af719f8e3b08b963f74 | 2021-10-12 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-10-13 | Wishart Lab | View Spectrum |
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