1-(2-(3,4-Dimethoxyphenyl)ethyl)-4-piperidinol propanoate (ester) hydrochloride 1-(2-(3,4-Dimethoxyphenyl)ethyl)-4-propionylhydroxypiperidine hydrochloride 134826-27-0 4-Piperidinol, 1-(2-(3,4-dimethoxyphenyl)ethyl)-, propanoate (ester), hydrochloride