| Answer | Crossword Clue |
|---|---|
| glycin | poisonous crystalline compound, C8H9NO3, used as a photographic developer |
| hydroquinol | a white crystalline soluble phenol used as a photographic developer |
| hydroquinols | HYDROQUINOL, a white crystalline soluble phenol used as a photographic developer |
| AMIDOL | Compound used as a photographic developer |
| pyrogallol | A weakly acid crystalline compound chiefly used as a developer in photography |
| 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 |
