InChI=1/C15H12ClN3O4/c1-17-14(20)9-6-7-11(16)12(8-9)18-15(21)10-4-2-3-5-13(10)19(22)23/h2-8H,1H3,(H,17,20)(H,18,21)/f/h17-18H 0C1AC390B756E2F3