| Rating | Solver | Clue |
|---|---|---|
| SARIN | Nerve agent | |
| NEUROTIC | Any toxic agent whose action is mainly directed to the great nerve centers. | |
| INHIBITION | ...of the respiratory center by the pneumogastric nerve; the inhibition of reflexes, etc. ... | |
| STIMULUS | ... or agent capable of evoking the activity of a nerve or irritable muscle, or capable of producing an impression upon a sensory organ or more par... |