InChI=1/C18H18N2O7/c1-26-13-7-9(3-5-11(13)21)15(23)18(16(24)19-17(25)20-18)10-4-6-12(22)14(8-10)27-2/h3-8,15,21-23H,1-2H3,(H2,19,20,24,25)/p-1/t15-,18-/m0/s1/fC18H17N2O7/h20H/q-1	F9712D7ACB54E29F