1-(4-Nitrophenethyl)-2-methyl-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline 5-21-05-00281 (Beilstein Handbook Reference) 63937-57-5 BRN 1556086 ISOQUINOLINE, 1,2,3,4-TETRAHYDRO-6,7-DIMETHOXY-2-METHYL-1-(4-NITROPHENETHYL)- Isoquinoline, 6,7-dimethoxy-2-methyl-1-(4-nitrophenethyl)-1,2,3,4-tetrahydro-