| Label | Id | |
|---|---|---|
| Crotoxyphos | 82110 | |
| Crufomate | 82111 | |
| Cryptophycin-16 | 211110 | |
| Cutimycin | 221130 | |
| Cyanofenphos | 82112 | |
| Cyanthoate | 82113 | |
| Cyclo(2-hydroxy-Pro-R-Leu) | 211389 | |
| Cyclo(D)-Pro-(D)-Val | 211635 | |
| Cyclo-(D-Ile-L-Trp) | 211726 | |
| D-altrarate(1-) | 21100 | |
| DG(15:0/0:0/20:4n6) | 172117 | |
| DG(18:2(9Z,12Z)/16:0/0:0) | 89211 | |
| DG(20:4(5Z,8Z,11Z,14Z)/15:0/0:0) | 172118 | |
| Daldinin | 211736 | |
| Deacetylsesquiterpene | 211858 |