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