InChI=1S/C30H38O11/c1-15(5-9-18-16(2)6-11-20(31)30(18,3)4)13-14-38-19-10-7-17-8-12-21(32)39-25(17)26(19)40-29-24(35)22(33)23(34)27(41-29)28(36)37/h7-8,10,12-13,20,22-24,27,29,31,33-35H,5-6,9,11,14H2,1-4H3,(H,36,37)/b15-13-