InChI=1/C16H17ClN4O/c1-9-2-7-13-12(8-9)14(20-19-13)16-18-15(21-22-16)10-3-5-11(17)6-4-10/h3-6,9,14,16H,2,7-8H2,1H3,(H,18,21)/t9-,14-,16+/m0/s1/f/h18H B14205D400F47640