6,7-dimethoxyisoquinoline-1,3,4-trione

6,7-二甲氧基-3,4-二氢-异喹啉-1-酮

3,4-dihydro-6,7-dimethoxy-1-(3,4-dimethoxyphenyl)methyl-2(1H)-isoquinolinecarboxylic acid 1,1-dimethylethyl ester