| Label | Id | |
|---|---|---|
| Pro-Asn-Gly | 162112 | |
| Pro-Asn-His | 162114 | |
| Pro-Asn-Ile | 162116 | |
| Pro-Asn-Leu | 162118 | |
| Pro-Asn-Lys | 162119 | |
| Promoinducin | 211902 | |
| Purpuropyranone | 211323 | |
| Pyridomacrolidin | 202111 | |
| Raimonol | 211806 | |
| Ramulosin | 211454 | |
| Respinomycin-A2 | 211616 | |
| Rhodestrin | 211812 | |
| Rufomyzaine | 211972 | |
| S-(2-carboxy-2-methylbut-3-en-2-yl)glutathione | 132118 | |
| SL-327 | 92211 |