1-(1-(1-p-Chlorophenylethyl)-4-piperidyl)-3-(2-cyanoethyl)-3-benzimidazolinone hydrochloride 6511-82-6 Benzimidazoline-1-propionitrile, 3-(1-(p-chloro-alpha-methylbenzyl)4-piperidyl)-2-oxo-, hydrochloride