IUPAC:1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxyisoquinoline; 3-(1,3-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-7-yl)propane-1-sulfonic acid
IUPAC:1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxyisoquinoline; 3-(1,3-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-7-yl)propane-1-sulfonic acid