InChI=1/C13H15ClN4O3/c14-12-2-1-11(18(20)21)7-10(12)8-16-17-13(19)9-3-5-15-6-4-9/h1-2,7-9,15H,3-6H2,(H,17,19)/p+1/b16-8+/fC13H16ClN4O3/h15,17H/q+1 3F1A4AFDB283F55A