InChI=1S/C31H38O9/c1-16-21(34)13-14-30(7)24(16)26(38-18(3)32)31(29(5,6)37)15-22(35)17(2)23(31)25(27(30)39-19(4)33)40-28(36)20-11-9-8-10-12-20/h8-12,21,24-27,34,37H,1,13-15H2,2-7H3/t21-,24-,25+,26-,27-,30+,31-/m0/s1