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