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