InChI=1S/C27H38O10/c1-7-12(5)9-17(28)35-16-10-15(11(3)4)19-14(8-2)20(29)24(18(19)13(16)6)36-27-23(32)21(30)22(31)25(37-27)26(33)34/h8-9,11,15-16,18-19,21-25,27,30-32H,6-7,10H2,1-5H3,(H,33,34)/b12-9+,14-8-