1-Methyl-3-ethyl-4-phenyl-4-acetoxypiperidine hydrochloride 4-Piperidinol, 3-ethyl-1-methyl-4-phenyl-, acetate, hydrochloride 63916-52-9 Acetic acid, 3-ethyl-1-methyl-4-phenyl-4-piperidyl ester, hydrochloride Acetic acid, ester with 4-piperidinol, 3-ethyl-1-methyl-4-phenyl-, hydrochloride NU-1959