InChI=1S/C31H42O10/c1-18(12-13-22-20(3)11-8-15-31(22,5)6)9-7-10-19(2)14-16-39-23(32)17-21(4)29(38)41-30-26(35)24(33)25(34)27(40-30)28(36)37/h7,9-10,12-14,24-27,30,33-35H,4,8,11,15-17H2,1-3,5-6H3,(H,36,37)/b10-7?,13-12+,18-9?,19-14?