InChI=1S/C22H30Cl2N2O2/c1-25(21(27)14-16-5-6-17(23)18(24)13-16)19-7-9-22(8-4-12-28-22)15-20(19)26-10-2-3-11-26/h5-6,13,19-20H,2-4,7-12,14-15H2,1H3/t19-,20-,22-/m0/s1