1-((3,4-Dihydro-5,6-dimethoxy-1H-2-benzopyran-1-yl)methyl)-4-(2-methylphenyl)piperazine 5-23-02-00482 (Beilstein Handbook Reference) 70070-15-4 BRN 0847166 Piperazine, 1-((3,4-dihydro-5,6-dimethoxy-1H-2-benzopyran-1-yl)methyl)-4-(2-methylphenyl)-