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