InChI=1S/C36H28O15/c1-11-5-15-23(17-9-13(37)10-21(41)27(17)29(43)25(15)19(39)6-11)22-14-3-2-4-18(38)24(14)28(42)26-16(22)7-12(8-20(26)40)35(49)51-36-32(46)30(44)31(45)33(50-36)34(47)48/h2-10,22-23,30-33,36-41,44-46H,1H3,(H,47,48)