(2S)-3',4'-Methylenedioxy-5,7-dimethoxyflavan 2-(1,3-benzodioxol-5-yl)-5,7-dimethoxychromane 2-Benzo[1,3]dioxol-5-yl-5,7-dimethoxy-chroman 2H-1-benzopyran, 2-(1,3-benzodioxol-5-yl)-3,4-dihydro-5,7-dimethoxy-, (2S)- InChI=1/C18H18O5/c1-19-12-8-16(20-2)13-4-6-14(23-17(13)9-12)11-3-5-15-18(7-11)22-10-21-15/h3,5,7-9,14H,4,6,10H2,1-2H3/t14-/m0/s