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