| Answer | Crossword Clue |
|---|---|
| betaine | an alkaloid (a type of chemical compound) |
| adenine | an alkaloid (a type of chemical compound) |
| adenines | ADENINE, an alkaloid (a type of chemical compound) |
| betaines | BETAINE, an alkaloid (a type of chemical compound) |
| alkaloids | ALKALOID, a type of chemical compound |
| cytisine | a type of alkaloid (a type of chemical compound) |
| cytisines | CYTISINE, a type of alkaloid (a type of chemical compound) |
| hydracid | an acid (a type of chemical compound) |
| hydracids | HYDRACID, an acid (a type of chemical compound) |
