| Answer | Crossword Clue |
|---|---|
| cinerins | CINERIN, a compound used in insecticides |
| cinerin | a compound used in insecticides |
| piperazine | a crystalline nitrogen compound used in medicine, insecticides etc |
| piperazines | PIPERAZINE, a crystalline nitrogen compound used in medicine, insecticides etc |
| rotenone | white, crystalline, water-insoluble, poisonous heterocyclic compound, C23H22O6, obtained from derris root: used chiefly as the active ingredient of certain insecticides and in medicine in the treatmen |
| cyclopentadiene | a colourless liquid unsaturated cyclic hydrocarbon obtained in the cracking of petroleum hydrocarbons and the distillation of coal tar, used in the manufacture of plastics and insecticides |
