InChI=1/C15H13ClN4O4/c1-8-11(6-10(7-18-8)20(23)24)15(22)19-13-4-3-9(16)5-12(13)14(21)17-2/h3-7H,1-2H3,(H,17,21)(H,19,22)/f/h17,19H 232CE15A25749B40