InChI=1S/C36H32O15/c37-16-10-20(39)24-22(11-16)50-36(15-4-2-1-3-5-15)33(44)26(24)25-23(51-36)13-19(38)18-12-21(40)30(48-31(18)25)14-6-8-17(9-7-14)47-35-29(43)27(41)28(42)32(49-35)34(45)46/h1-11,13,21,26-30,32-33,35,37-44H,12H2,(H,45,46)