InChI=1S/C28H30O17/c1-41-13-6-14-16(11(32)5-12(42-14)8-2-3-9(30)10(31)4-8)24(17(13)25-21(36)19(34)18(33)15(7-29)43-25)44-28-23(38)20(35)22(37)26(45-28)27(39)40/h2-6,15,18-23,25-26,28-31,33-38H,7H2,1H3,(H,39,40)