InChI=1/C15H16N6O4/c1-18(2)5-6-20-11-8-12(19-4-3-16-9-19)13(21(24)25)7-10(11)17-14(22)15(20)23/h3-4,7-9H,5-6H2,1-2H3,(H,17,22)/p+1/fC15H17N6O4/h17-18H/q+1 CD64DF4FAC2C68F0