1(2H)-NAPHTHALENONE, 3,4-DIHYDRO-7-ETHYL-2-PIPERIDINOMETHYL-, HYDROCHLORIDE 3,4-Dihydro-7-ethyl-2-(piperidinomethyl)-1(2H)-naphthalenone hydrochloride 60676-82-6 7-Ethyl-2-piperidinomethyl-1-oxotetrahydronaphthalene hydrochloride