1,2,4-Triazolo(3,4-a)isoquinoline, 8,9-dimethoxy-3-methyl- 28401-89-0 8,9-Dimethoxy-3-methyl-1,2,4-triazolo(3,4-a)isoquinoline BRN 0800892 NC 3539 s-Triazolo(3,4-a)isoquinoline, 8,9-dimethoxy-3-methyl-