InChI=1S/C27H30O12/c1-11(2)4-9-14-22-17(15(29)10-16(37-22)12-5-7-13(28)8-6-12)24(36-3)21(33)23(14)38-27-20(32)18(30)19(31)25(39-27)26(34)35/h4-8,16,18-20,25,27-28,30-33H,9-10H2,1-3H3,(H,34,35)