HMDB0000176
     RDKit          3D
Maleic acid
 12 11  0  0  0  0  0  0  0  0999 V2000
    1.2932   -0.8164   -1.3800 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.4817    0.0123   -0.4966 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8283    0.3986   -0.3335 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.5510    0.6485    0.3942 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7385    0.4793    0.4610 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4643   -0.4198   -0.3946 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9553   -1.1230   -1.2766 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.8802   -0.4971   -0.2006 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.4399   -0.1199    0.2473 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.9409    1.3974    1.1492 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.2728    1.0808    1.2349 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.2240   -1.0407    0.5953 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  2  0
  2  3  1  0
  2  4  1  0
  4  5  2  0
  5  6  1  0
  6  7  2  0
  6  8  1  0
  3  9  1  0
  4 10  1  0
  5 11  1  0
  8 12  1  0
M  END