| 18-Oxooleate | http://bio2rdf.org/kegg:C19617 | | |
| 19-Bromoaplysiatoxin | http://bio2rdf.org/kegg:C16770 | | |
| 19-Chloroproansamitocin | http://bio2rdf.org/kegg:C20134 | | |
| 19-epi-Ajmalicine | http://bio2rdf.org/kegg:C11683 | | |
| 19-epi-Cathenamine | http://bio2rdf.org/kegg:C11681 | | |
| 19-Hydroxy-8-O-methyltetrangulol | http://bio2rdf.org/kegg:C12400 | | |
| 19-Hydroxytabersonine | http://bio2rdf.org/kegg:C11642 | | |
| 19-Hydroxytetrangulol | http://bio2rdf.org/kegg:C12399 | | |
| 19-Norpregna-4,17(20)-dien-3-one | http://bio2rdf.org/kegg:C15016 | | |
| 19-Oxotestosterone | http://bio2rdf.org/kegg:C05295 | | |
| 1'-Acetoxychavicol acetate | http://bio2rdf.org/kegg:C10426 | | |
| 1'-Acetoxyeugenol acetate | http://bio2rdf.org/kegg:C10427 | | |
| 1-Acetoxypinoresinol | http://bio2rdf.org/kegg:C10544 | | |
| 1-Acetylaspidoalbidine | http://bio2rdf.org/kegg:C09019 | | |
| 1-Alkenyl-2-acylglycerol | http://bio2rdf.org/kegg:C03454 | | |
| 1-Amino-2,4-dibromoanthraquinone | http://bio2rdf.org/kegg:C19211 | | |
| 1-Amino-2-methylanthraquinone | http://bio2rdf.org/kegg:C19320 | | |
| 1, and U2. | http://bio2rdf.org/kegg_resource:3.1.27.4.ref.3 | | |
| 1-Butanol; n-Butanol | http://bio2rdf.org/kegg:C06142 | | |
| 1-Caffeoyl-4-deoxyquinic acid | http://bio2rdf.org/kegg:C10432 | | |
| 1-Caffeoyl-beta-D-glucose | http://bio2rdf.org/kegg:C10433 | | |
| 1-Chloro-3-nitrobenzene | http://bio2rdf.org/kegg:C19364 | | |
| 1-Dehydro-[6]-gingerdione | http://bio2rdf.org/kegg:C17746 | | |
| 1-Deoxy-11-oxopentalenate | http://bio2rdf.org/kegg:C20400 | | |
| 1-Deoxy-D-xylulose | http://bio2rdf.org/kegg:C06257 | | |
| 1-Deoxy-D-xylulose 5-phosphate | http://bio2rdf.org/kegg:C11437 | | |
| 1-Deoxypentalenate | http://bio2rdf.org/kegg:C20404 | | |
| (1dFru)1 (Glc)2 | http://bio2rdf.org/kegg:G08683 | | |
| 1-Dodecanoyl-sn-glycerol | http://bio2rdf.org/kegg:C13854 | | |
| (1-en-2dGlc)1 (Gal)1 (LFuc)1 | http://bio2rdf.org/kegg:G09665 | | |
