| Answer | Crossword Clue |
|---|---|
| retinoids | RETINOID, a compound analogous to vitamin A |
| retinoid | a compound analogous to vitamin A |
| phenolates | PHENOLATE, a compound of phenol analogous to a salt |
| phenolate | a compound of phenol analogous to a salt / to subject to the action of a phenolate also PHENATE |
| thiourea | a colorless crystalline bitter compound CS(NH2)2 analogous to and resembling urea that is used especially as a photographic and organic chemical reagent |
| ergosterol | A compound present in ergot and many other fungi. A steroid alcohol, it is converted to vitamin D2 when irradiated with ultraviolet light |
