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