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