InChI=1S/C27H24O12/c28-14-4-1-11(7-17(14)31)8-20(25(34)35)39-27(38)24-22(13-3-6-16(30)19(33)10-13)21(23(24)26(36)37)12-2-5-15(29)18(32)9-12/h1-7,9-10,20-24,28-33H,8H2,(H,34,35)(H,36,37)