4-Piperidinol, 1-butyl-4-cyclohexyl-, acetate, hydrochloride 63916-26-7 Acetic acid, 4-(1-butyl-4-cyclohexyl)piperidyl ester, hydrochloride NU-1108 Piperidine, 4-acetoxy-1-butyl-4-cyclohexyl-, hydrochloride