InChI=1/C18H21Cl2NO2/c1-10(2)5-16-17(21-8-11(3)22-12(4)9-21)14-6-13(19)7-15(20)18(14)23-16/h5-7,11-12H,8-9H2,1-4H3/t11-,12+ D5A59F6DA20B4391