InChI=1/C16H17Cl2NO2/c1-21-10-12-4-2-3-11(5-12)8-19-9-13-6-14(17)7-15(18)16(13)20/h2-7,19-20H,8-10H2,1H3/p+1/fC16H18Cl2NO2/h19H/q+1 72B3FAB7A3953EEA