1-(6-Methoxy-4-quinolinyl)-2-(4-piperidinyl)ethanone dihydrochloride dihydrate 1-(6-Methoxy-4-quinolyl)-2-(4-piperidyl)ethanone monohydrate dihydrochloride 80221-28-9 Ethanone, 1-(6-methoxy-4-quinolinyl)-2-(4-piperidinyl)-, dihydrochloride, dihydrate