| Label | Id | |
|---|---|---|
| CJ-15,208 | 224380 | |
| CJ-21,058 | 202421 | |
| CMB4563 | 142445 | |
| CPA(18:2(9Z,12Z)/0:0) | 137248 | |
| CRM646-B | 215243 | |
| Caboxamycin | 224131 | |
| Calvatianone | 224823 | |
| Camicinal | 177624 | |
| Candimine | 70240 | |
| Capnodiumone | 201824 | |
| Carbonofluoridimidothioicacid | 192412 | |
| Carboxyethylvaline | 192724 | |
| Carboxymycobactin-2 | 224290 | |
| Carmoisine | 82414 | |
| Carpelastofuran | 140124 |