InChI=1S/C27H28O12/c1-27(2)7-6-13-16(39-27)9-17(37-26-22(32)20(30)21(31)24(38-26)25(33)34)18(23(13)35-3)14-10-36-15-8-11(28)4-5-12(15)19(14)29/h4-5,8-10,20-22,24,26,28,30-32H,6-7H2,1-3H3,(H,33,34)