Papaveraldin-oxim

6,7-二甲氧基异喹啉

3,4-二甲氧基苯甲酸

(1Z)-1-[(3,4-dimethoxyphenyl)-nitrosomethylidene]-6,7-dimethoxy-2H-isoquinoline

2-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-3,4-dihydro-1H-isoquinoline