HMDB0001967 RDKit 3D Carbon dioxide 3 2 0 0 0 0 0 0 0 0999 V2000 1.2355 -0.0418 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 -0.0049 0.0842 -0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.2306 -0.0423 -0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 0 2 3 2 0 M END