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