InChI=1S/C31H42O10/c1-18(11-9-12-19(2)14-15-31-29(4,5)16-21(32)17-30(31,6)41-31)10-7-8-13-20(3)27(38)40-28-24(35)22(33)23(34)25(39-28)26(36)37/h7-15,21-25,28,32-35H,16-17H2,1-6H3,(H,36,37)/b8-7+,11-9+,15-14+,18-10+,19-12-,20-13-