InChI=1S/C35H32O18/c36-12-4-17(37)14-8-20(40)31(51-22(14)5-12)11-1-10-2-16(25(42)27(44)24(10)26(43)19(39)3-11)32-21(41)9-15-18(38)6-13(7-23(15)52-32)50-35-30(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)