InChI=1S/C34H28O20/c35-11-5-15(36)14-8-21(28(51-20(14)6-11)13-7-17(38)24(42)22-12(13)1-9(31(46)47)2-16(37)23(22)41)52-33(50)10-3-18(39)29(19(40)4-10)53-34-27(45)25(43)26(44)30(54-34)32(48)49/h1-7,21,25-28,30,34-36,38-40,42-45H,8H2,(H,37,41)(H,46,47)(H,48,49)