| Answer | Crossword Clue |
|---|---|
| gossypol | A toxic crystalline compound present in cottonseed oil |
| hexachlorethane | a toxic crystalline compound used in smoke bombs |
| yohimbine | A toxic crystalline compound obtained from the bark of the yohimbe tree, used as an adrenergic blocking agent and also in the treatment of impotence |
| saponins | A toxic compound that is present in soapwort and makes foam when shaken with water |
| theophylline | A bitter crystalline compound present in small quantities in tea leaves, isomeric with theobromine |
| imidazole | A colorless crystalline compound with mildly basic properties, present as a substituent in the amino acid histidine |
