InChI=1/C15H13ClN4O4/c1-18-15(22)10-4-3-9(7-11(10)16)19-14(21)8-2-5-12(17)13(6-8)20(23)24/h2-7H,17H2,1H3,(H,18,22)(H,19,21)/f/h18-19H 80B237D778B62456