1,2,4-Triazolo(3,4-a)isoquinoline, 5,6-dihydro-8,9-dimethoxy- 35515-48-1 5,6-Dihydro-8,9-dimethoxy-1,2,4-triazolo(3,4-a)isoquinoline 8,9-Dimethoxy-3,4-dihydro(1,2,4)triazolo(3,4-a)isoquinoline BRN 0887453