InChI=1/C13H18N4O4/c1-9(14)10-3-2-6-15(8-10)12-5-4-11(16(18)19)7-13(12)17(20)21/h4-5,7,9-10H,2-3,6,8,14H2,1H3/p+1/t9-,10+/m1/s1/fC13H19N4O4/h14H/q+1 F32AFEC2F6574B14