InChI=1S/C27H28O13/c1-27(2)17(29)7-12-15(40-27)8-16(38-26-22(33)20(31)21(32)24(39-26)25(34)35)18(23(12)36-3)13-9-37-14-6-10(28)4-5-11(14)19(13)30/h4-6,8-9,17,20-22,24,26,28-29,31-33H,7H2,1-3H3,(H,34,35)