InChI=1/C16H14ClFN2O/c1-10-5-7-11(8-6-10)20-14(9-19-16(20)21)15-12(17)3-2-4-13(15)18/h2-8,14H,9H2,1H3,(H,19,21)/t14-/m0/s1/f/h19H 522DB5F4A53442ED