2,2,4,4-Tetramethylvaleric acid 3-(4-methyl-1-piperazinyl)propyl ester dihydrochloride 3-(4-Methyl-1-piperazinyl)propyl 2,2,4,4-tetramethylvalerate dihydrochloride 33421-72-6 Pentanoic acid, 2,2,4,4-tetramethyl-, 3-(4-methyl-1-piperazinyl)propyl ester dihydrochloride Valeric acid, 2,2,4,4-tetramethyl-, 3-(4-methyl-1-piperazinyl)propyl ester, dihydrochloride