| 1,2-Epoxybutane; 1-Butene oxide | http://bio2rdf.org/kegg:C19237 | | |
| 1,2-Epoxyhexadecane | http://bio2rdf.org/kegg:C14499 | | |
| 12-Hydroxybenzo[a]pyrene | http://bio2rdf.org/kegg:C14563 | | |
| 12-Methyltetradecanoic acid | http://bio2rdf.org/kegg:C16665 | | |
| 1,2-O-Diacetylzephyranthine | http://bio2rdf.org/kegg:C12171 | | |
| 12-Oxo-9(Z)-dodecenoic acid | http://bio2rdf.org/kegg:C16311 | | |
| 1,3,4,5-Tetracaffeoylquinic acid | http://bio2rdf.org/kegg:C10500 | | |
| 1,3,5-Trihydroxyxanthone | http://bio2rdf.org/kegg:C10094 | | |
| 1,3,5-Trimethoxybenzene (JAN) | http://bio2rdf.org/kegg:D01792 | | |
| 1,3,5-Triphenylcyclohexane | http://bio2rdf.org/kegg:C15437 | | |
| 13-Apo-beta-carotenone | http://bio2rdf.org/kegg:C20696 | | |
| 13-beta-D-Glucosyloxydocosanoate | http://bio2rdf.org/kegg:C04103 | | |
| 1,3-beta-D-Oligoglucan | http://bio2rdf.org/kegg:C03200 | | |
| 1,3-beta-D-Xylan | http://bio2rdf.org/kegg:C00938 | | |
| 1,3-Butadiene | http://bio2rdf.org/kegg:C16450 | | |
| 13-cis-Retinoic acid | http://bio2rdf.org/kegg:C07058 | | |
| 13-cis-Retinol; Neovitamin A | http://bio2rdf.org/kegg:C19962 | | |
| 13-Deoxycarminomycin | http://bio2rdf.org/kegg:C12428 | | |
| 13-Deoxytedanolide | http://bio2rdf.org/kegg:C16861 | | |
| 13-Desoxyterpendole I | http://bio2rdf.org/kegg:C20542 | | |
| 1,3-Diacylglycerol | http://bio2rdf.org/kegg:C06437 | | |
| 1,3-Dichloro-2-propanol | http://bio2rdf.org/kegg:C14399 | | |
| 1,3-Dichloropropene; D-D 92 | http://bio2rdf.org/kegg:C18627 | | |
| 13-Dihydrocarminomycin | http://bio2rdf.org/kegg:C12431 | | |
| 13-Dihydrodaunorubicin | http://bio2rdf.org/kegg:C12430 | | |
| 1,3-Dihydroxy-N-methylacridone | http://bio2rdf.org/kegg:C12093 | | |
| 1,3-Dimethyl-8-isoquinolinol | http://bio2rdf.org/kegg:C12346 | | |
| 1,3-Dinitropyrene | http://bio2rdf.org/kegg:C19408 | | |
| 1,3-Diphenylpropane | http://bio2rdf.org/kegg:C14581 | | |
| (13E)-Labda-7,13-dien-15-ol | http://bio2rdf.org/kegg:C20158 | | |