(+)-5'-Demethoxyepiexcelsin 1,3-benzodioxole, 6-[(1S,3aR,4R,6aR)-4-(1,3-benzodioxol-5-yl)tetrahydro-1H,3H-furo[3,4-c]furan-1-yl]-4-methoxy- 6-(4-Benzo[1,3]dioxol-5-yl-tetrahydro-furo[3,4-c]furan-1-yl)-4-methoxy-benzo[1,3]dioxole InChI=1/C21H20O7/c1-22-17-5-12(6-18-21(17)28-10-27-18)20-14-8-23-19(13(14)7-24-20)11-2-3-15-16(4-11)26-9-25-15/h2-6,13-14,19-20H,7-10H2,1H3/t13-,14-,19-,20+/m0/s rel-6-[(1R,3aS,4S,6aS)-4-(1,3-benzodioxol-5-yl)tetrahydro-1H,3H-furo[3,4-c]furan-1-yl]-4-methoxy-1,3-benzodioxole