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