InChI=1S/C35H32O18/c36-11-3-17(38)15-8-21(42)32(51-22(15)4-11)14-7-19(40)27(44)25-13(14)1-10(2-18(39)26(25)43)31-20(41)9-16-23(50-31)5-12(37)6-24(16)52-35-30(47)28(45)29(46)33(53-35)34(48)49/h1-7,20-21,28-33,35-38,40-42,44-47H,8-9H2,(H,39,43)(H,48,49)