InChI=1/C16H16Cl2N2O2/c1-11(2)19-15-5-3-4-8-20(15)16(21)10-22-14-7-6-12(17)9-13(14)18/h3-9,11H,10H2,1-2H3/p+1/fC16H17Cl2N2O2/h19H/q+1 8D08D7866857D40D