InChI=1S/C35H22O15/c36-15-5-1-12(2-6-15)22(31(41)42)29-26(39)21(34(46)49-29)14-9-17-18(11-20(38)28-24(17)19(10-14)33(45)48-28)25-27(40)30(50-35(25)47)23(32(43)44)13-3-7-16(37)8-4-13/h1-11,22-23,29-30,36-40H,(H,41,42)(H,43,44)