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