InChI=1/C20H19FN2OS/c1-13-11-18(25-19(13)15-6-8-17(21)9-7-15)20(24)23(3)14(2)16-5-4-10-22-12-16/h4-12,14H,1-3H3/t14-/m1/s1 9CF1562C042176CD