InChI=1/C16H13ClN4O/c1-11-14(10-19-15-8-7-12(17)9-18-15)16(22)21(20-11)13-5-3-2-4-6-13/h2-10,20H,1H2,(H,18,19)/b14-10+/f/h19H 67B12B6F57796689