Synonyms: EINECS 243-131-0;AC1NX8UN;(6,7-dihydroxy-2-oxochromen-4-yl) methanesulfonate; 1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxyisoquinoline;19524-64-2;6,7,-Dihydroxy-2-oxo-2H-1-benzopyran-4-methanesulphonic acid, compound with 1-((3,4-dimethoxyphenyl)methyl)-6,7-dimethoxyisoquinoline (1:1)