1-Methyl-4-dimethylamino-3-isochromanone 3H-2-Benzopyran-3-one, 1,4-dihydro-4-(dimethylamino)-1-methyl-, cis,trans- DJ2981700 cis,trans-1,4-Dihydro-4-(dimethylamino)-1-methyl-3H-2-benzopyran-3-one