InChI=1/C21H21Cl2NO2/c1-24-16-8-11-19(24)20(18(12-16)13-2-4-14(22)5-3-13)21(25)26-17-9-6-15(23)7-10-17/h2-7,9-10,16,18-20H,8,11-12H2,1H3/p+1/t16-,18-,19+,20+/m0/s1/fC21H22Cl2NO2/h24H/q+1 4272AF642E7F7114