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