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