InChI=1/C15H13ClN4O3/c1-9(11-4-7-13(16)14(8-11)20(22)23)18-19-15(21)10-2-5-12(17)6-3-10/h2-8H,17H2,1H3,(H,19,21)/b18-9+/f/h19H F2D3F192E6042633