InChI=1/C18H16ClFN2O/c1-12(14-3-2-4-16(20)9-14)21-11-17-10-18(22-23-17)13-5-7-15(19)8-6-13/h2-10,12,21H,11H2,1H3/p+1/t12-/m1/s1/fC18H17ClFN2O/h21H/q+1 B4F8D7DE43099638