InChI=1S/C30H38O11/c1-16(11-14-37-18-7-5-17-6-8-21(31)38-19(17)15-18)9-13-30-28(2,3)20(10-12-29(30,4)41-30)39-27-24(34)22(32)23(33)25(40-27)26(35)36/h5-8,11,15,20,22-25,27,32-34H,9-10,12-14H2,1-4H3,(H,35,36)/b16-11-