| Clue | Source | Date |
|---|---|---|
| The poisonous alkaloid found in deadly nightshade (7) | ||
| Poison obtained from deadly nightshade | The Telegraph General Knowledge | 15 Aug 2021 |
| Rat poison, not very complex drug | The Telegraph Toughie | 02 Dec 2016 |
| Belladonna product: Var. | ||
| Eye-dilating chemical: Var. |