1-(N-Methyl-N-(3-oxo-1-butyl))aminomethyl-6,7-dimethoxyisochroman 2-Butanone, 4-(((3,4-dihydro-6,7-dimethoxy-1H-2-benzopyran-1-yl)methyl)methylamino)- 4-(((3,4-Dihydro-6,7-dimethoxy-1H-2-benzopyran-1-yl)methyl)methylamino)-2-butanone 70070-07-4 BRN 1390197