InChI=1/C13H10ClN5O2/c1-7-16-13(15)19(17-7)10-6-11(20)18(12(10)21)9-4-2-8(14)3-5-9/h2-6H,1H3,(H2,15,16,17)/f/h15H2 1B9B73EA0A24B0FB