InChI=1S/C30H38O10/c1-37-26-12-18(4-7-23(26)34)10-21(15-31)22(16-32)11-19-5-9-25(28(13-19)39-3)40-29(17-33)30(36)20-6-8-24(35)27(14-20)38-2/h4-9,12-14,21-22,29-36H,10-11,15-17H2,1-3H3