InChI=1/C16H17ClN2O/c17-14-7-9-15(10-8-14)19(12-4-11-18)16(20)13-5-2-1-3-6-13/h1-3,5-10H,4,11-12,18H2/p+1/fC16H18ClN2O/h18H/q+1 A998F2AC5A30CC03