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