| Na - Nao | Nummer |
| Nabam | 4 / 18 |
| Nabilon | 14 |
| Nachtschatten, Bittersüßer | 1 |
| Nachtschatten, Schwarzer | 1 / # 227 ++ |
| Nachtviole | 16 / # 227 (+) |
| Nadelholzhäubling | 16 |
| Nadolol | 14 |
| Nadololol Hydrochlorid | |
| Nafronyl | |
| Naftidrofuryl | xxx |
| Nakafuran | 14 |
| Naled | 4 /
Über MAK 19b / # 21 Haut |
| Nalidixinsäure | 14 / 18 / # (19a+b) / # 42 Photo |
| Nalorphin Hydrochlorid | 14 |
| Nalorphinum | |
| Naloxon | xxx |
| Naloxon Hydrochlorid | xxx |
| Naltrexon | 14 |
| Naltrexon-hydrochlorid Dihydrat | 14 / # 170 Morphin |
| Nancimycin | 14 / 3 / 18 |
| Nandrolon-17-propionat | 14 / # (19a+b) |