InChI=1S/C26H26O16/c27-10-5-13(8-2-1-3-9(4-8)39-26-21(35)18(32)19(33)23(42-26)24(36)37)40-14-6-11(28)22(17(31)15(10)14)41-25-20(34)16(30)12(29)7-38-25/h1-6,12,16,18-21,23,25-26,28-35H,7H2,(H,36,37)