InChI=1S/C30H44O6/c1-16(12-18(31)13-17(2)26(35)36)20-14-24(34)30(7)19-8-9-22-27(3,4)23(33)10-11-28(22,5)25(19)21(32)15-29(20,30)6/h13,16,18,20,22,24,31,34H,8-12,14-15H2,1-7H3,(H,35,36)/b17-13+