1 RDT (1r)-6,7-dimethoxy-1-methyl-3,4-dihydroisoquinoline-2(1h)-sulfonamide 1.000 2 DT9 (1s)-6,7-dimethoxy-1-methyl-3,4-dihydroisoquinoline-2(1h)-sulfonamide 1.000 3 DT7 6,7-dimethoxy-3,4-dihydroisoquinoline-2(1h)-sulfonamide 0.947 4 F2W 6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium 0.700 5 F2Z 6,7-dimethoxy-2,4-dihydro-1~{H}-isoquinolin-3-one 0.700