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