InChI=1S/C18H19FN2O2.ClH/c19-15-4-2-1-3-13(15)11-23-14-7-5-12(6-8-14)16-9-10-17(21-16)18(20)22;/h1-8,16-17,21H,9-11H2,(H2,20,22);1H/t16-,17+;/m1./s1