2-(1-Piperidinyl)ethyl 2,2-diphenylcyclopropanecarboxylate hydrochloride 37124-05-3 Cyclopropanecarboxylic acid, 2,2-diphenyl-, 2-(1-piperidinyl)ethyl ester, hydrochloride beta-Piperidino-ethyl ester of 2,2-diphenylcyclopropanecarboxylic acid hydrochloride