InChI=1/C16H16ClN3O/c17-14-4-2-1-3-12(14)11-5-6-15-16(13(11)9-18)20(7-8-21)10-19-15/h1-6,10,21H,7-9,18H2/p+1/fC16H17ClN3O/h18H/q+1 2A4CBDF3A3D315F6