InChI=1S/C30H38O11/c1-15(2)4-8-19-18(10-6-17-7-11-21(32)23(34)12-17)20(9-5-16(3)14-31)24(13-22(19)33)40-30-27(37)25(35)26(36)28(41-30)29(38)39/h4-5,7,11-13,25-28,30-37H,6,8-10,14H2,1-3H3,(H,38,39)/b16-5+