2-(3,4-Dimethoxyphenethyl-carbamoylmethylen)-3ξ-ethyl-9,10-dimethoxy-1,3,4,6,7,11b-ref-hexahydro-2H-benzo(a)chinolizin

3,4-dimethoxyphenylpropionic acid chloride

3,4-二甲氧基苯丙酸

甲基3-(3’,4’-二甲氧基苯基)丙酸酯