InChI=1/C14H16N6O4/c1-7-11(13(21)19-16)12(18-14(15)17-7)8(2)24-10-5-3-9(4-6-10)20(22)23/h3-6,8H,16H2,1-2H3,(H,19,21)(H2,15,17,18)/t8-/m1/s1/f/h19H,15H2 AF2169B2BA96C79A