6,7-二甲氧基-1,2,3,4-四氢异喹啉盐酸盐

3,4-二甲氧基-~-硝基苯乙烯

甲酸

甲醛

1-ethyl-9,10-dimethoxy-2-oxo-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinoline-3-carboxylic acid ethyl ester