InChI=1/C14H12ClN3O3/c15-11-4-3-10(13(19)20)6-12(11)18-14(21)17-8-9-2-1-5-16-7-9/h1-7H,8H2,(H,19,20)(H2,17,18,21)/p-1/fC14H11ClN3O3/h17-18H/q-1 4A571FEA5FC7458C