2-Ethyl-2-methylhexanoic acid 3-(4-methyl-1-piperazinyl)propyl ester hydrochloride 31364-63-3 HEXANOIC ACID, 2-ETHYL-2-METHYL-, 3-(4-METHYL-1-PIPERAZINYL)PROPYL ESTER, MONOHY Hexanoic acid, 2-ethyl-2-methyl-, 3-(4-methyl-1-piperazinyl)propyl ester, monohydrochloride