InChI=1/C13H17ClN4O3/c14-11-7-10(18(20)21)1-2-12(11)16-9-3-5-17(6-4-9)8-13(15)19/h1-2,7,9,16H,3-6,8H2,(H2,15,19)/p+1/fC13H18ClN4O3/h17H,15H2/q+1 5A014D931D2E41FA