InChI=1S/C28H26O17/c29-10-5-12(30)11-7-18(24(42-16(11)6-10)8-1-13(31)19(34)14(32)2-8)43-27(41)9-3-15(33)20(35)17(4-9)44-28-23(38)21(36)22(37)25(45-28)26(39)40/h1-6,18,21-25,28-38H,7H2,(H,39,40)