Lilly 18947 (free base) is a selective drug-potentiating agent that synergizes carbamate insecticides. Lilly 18947 (free base) inhibits a variety of detoxication mechanisms in mammals[1].
References
[1] FAHMY MA, et al. SELECTIVE SYNERGISM OF CARBAMATE INSECTICIDES ON HOUSE FLIES BY ARYLOXYALKYLAMINES. J Econ Entomol. 1965 Jun;58:451-5. DOI:10.1093/jee/58.3.451