InChI=1S/C36H28O15/c37-11-22-29(41)32(44)33(45)36(51-22)50-21-6-2-4-15-24(17-8-13(35(48)49)10-20(40)27(17)31(43)28(15)21)23-14-3-1-5-18(38)25(14)30(42)26-16(23)7-12(34(46)47)9-19(26)39/h1-10,22-24,29,32-33,36-41,44-45H,11H2,(H,46,47)(H,48,49)