1(3H)-Isobenzofuranone, 7-amino-4,5,6-triethoxy-3-(1,2,3,4-tetrahydro-6,7,8-trimethoxy-2-methyl-1-isoquinolinyl)- 458 L 458L 73604-83-8 Phthalide, 7-amino-3-(2-methyl-6,7,8-triethoxy-1,2,3,4-tetrahydro-1-isoquinolyl)-4,5,6-triethoxy-