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