InChI=1/C17H20N4O4/c1-9-11(16(18)21-17(19)20-9)5-6-12(22)10-7-13(23-2)15(25-4)14(8-10)24-3/h7-8,12,22H,1-4H3,(H4,18,19,20,21)/p+1/t12-/m1/s1/fC17H21N4O4/h20H,18-19H2/q+1 E3E6060DF8071D5D