InChI=1S/C33H36O8/c1-9-29(3,4)22-25-18(11-12-30(5,6)39-25)23(34)21-24(35)19-14-17-15-20-31(7,8)41-32(27(17)36,13-10-16(2)28(37)38)33(19,20)40-26(21)22/h9-12,14,17,20,34H,1,13,15H2,2-8H3,(H,37,38)/b16-10+/t17-,20-,32-,33?/m0/s1