InChI=1S/C35H30O21/c1-10(36)23-14(37)8-15(38)24(29(23)49)30-32(56-35(52)13-6-20(43)27(47)21(44)7-13)31(55-34(51)12-4-18(41)26(46)19(42)5-12)28(48)22(54-30)9-53-33(50)11-2-16(39)25(45)17(40)3-11/h2-8,22,28,30-32,37-49H,9H2,1H3