For which rodenticide has ethanol been a suggested antidote, and by which mechanism?
Sodium mono-fluoroacetate (SMFA) (1080). Ethanol is metabolized Acetaldehyde and then to acetyl CoA which is thought to compete with SMFA for citrate synthase, the site of toxicicity of suicide inhibition by SMFA.
HUTCHENS JO, WAGNER H, et al. The effect of ethanol and various metabolites on fluoroacetate poisoning. J Pharmacol Exp Ther. 1949 Jan;95(1):62-70. PMID: 18124060.