InChI=1S/C36H32O18/c37-13-1-11(2-17(6-13)50-35-29(46)27(44)28(45)32(52-35)34(48)49)30-21(43)9-18-19(41)10-23-25(31(18)51-30)26-24-20(42)7-16(40)8-22(24)53-36(54-23,33(26)47)12-3-14(38)5-15(39)4-12/h1-8,10,21,26-30,32-33,35,37-47H,9H2,(H,48,49)