(Dimethoxy-2,4 phenyl)(beta-(pyridyl-4)vinyl)cetone chlorhydrate [French] 1-(2,4-Dimethoxyphenyl)-3-(4-pyridinyl)-2-propen-1-one hydrochloride 2-Propen-1-one, 1-(2,4-dimethoxyphenyl)-3-(4-pyridinyl)-, hydrochloride 65373-34-4 D 765