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