InChI=1/C21H21Cl2NO3/c22-17-5-3-16(4-6-17)12-24(14-21-2-1-11-26-21)13-19(25)15-27-20-9-7-18(23)8-10-20/h1-11,19,25H,12-15H2/p+1/t19-/m0/s1/fC21H22Cl2NO3/h24H/q+1 C139AFB8CE5B7E00