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