(5R,5aR,8aS,9R)-10-methoxy-8-oxo-9-(3,4,5-trimethoxyphenyl)-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl rel-acetate (7R,8S,7 R,8 R)-(+)-7 -Acetyl-5 -methoxypicropodophyllin Acetic acid 10-methoxy-8-oxo-9-(3,4,5-trimethoxy-phenyl)-5,5a,6,8,8a,9-hexahydro-furo[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl ester InChI=1/C25H26O10/c1-11(26)35-21-13-8-17-23(34-10-33-17)24(31-5)19(13)18(20-14(21)9-32-25(20)27)12-6-15(28-2)22(30-4)16(7-12)29-3/h6-8,14,18,20-21H,9-10H2,1-5H3/t14-,18+,20+,21-/m0/s furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one, 9-(acetyloxy)-5,8,8a,9-tetrahydro-4-methoxy-5-(3,4,5-trimethoxyphenyl)-, (5R,5aS,8aR,9R)-