Alimadol (INN; A-4020) is an opioid analgesic related to methadone which was never marketed.
Alimadol (INN; A-4020) is an opioid analgesic related to methadone which was never marketed.
==Synthesis== thumb|500px|center|class=skin-invert-image|Patent: Precursor (benzyl group sidechain): benzhydryl methyl ether [1016-09-7] (1) β-chloroethylamine [689-98-5] (2) 1,1-Diphenyl-1-methoxy-3-aminopropane: PC21534188 (3) Allyl bromide [106-95-6] (4)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).