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