InChI=1/C21H23Cl2N3O/c1-27-11-10-25-9-8-19(15-25)26(14-17-4-2-3-5-20(17)22)18-7-6-16(13-24)21(23)12-18/h2-7,12,19H,8-11,14-15H2,1H3/t19-/m1/s1 4DB297476CF71E4E