| Proq - Ps | Nummer |
| Proquazon | xxx |
| Proscalun | 16 |
| Proscillaridin A | 14 / 14a |
| Prostaglandine | 14 |
| Prosulfocarb | 14 / 18 / 19 |
| Prosulfuron | 16 / 19 |
| Proteasen | 18 |
| Proteinase, mikrobenneutral | |
| Proteinhydrolysat | 16 |
| Proteinschaummittel | 18 |
| Protheobromin | 16 / 13 |
| Prothiocarb | xxx |
| Prothiocarb-hydrochlorid | 14 |
| Prothiophos | 14 / 4 / 19 |
| Prothipendyl | xxx |
| Prothoat | 4 / 19 |
| Protionamid | 14 |
| Protirelin | xxx |
| Protoanemonin | 14 |
| Protocatechualdehyd | 16 |
| Protokylol Hydrochlorid | |
| Protopin | 14 |
| Protoveratrin A | |
| Protoveratrin B | |
| Protoverin | |
| Protriptylin | xxx |
| Provitamin A | 16 |
| Proxan-Natrium | 14 |
| Prunasin | 7 |
| Prunus-Arten | |
| Prunus laurocerasus | |
| Prunus padus | |
| Prunus serotina | |
| Prynachlor | 16 |
| Pseudo-baptigenin | |
| Pseudo-cumol | 3 / 16 / 19 / Über AGW 19b |
| (+)-Pseudo-ephedrin | 14 / 18 |
| (+)-Pseudo-ephedrin-Hydrochlorid | |
| Pseudo-hypericin | xxx |
| Pseudo-laudanin | 14 |
| Pseudo-strychnin | 8 |
| Psilocin | 14 |
| Psilocin-(eth) | |
| Psilocybe semilanceata | |
| Psilocybin | xxx |
| Psilocybin-(eth) | xxx |
| Psoralea corylifolia | 16 |
| Psoralen | 2 / 18 / # 42 Photo |
| Psychopharmaka | xxx |
| Psyllium | 18 |