InChI=1/C18H19FN2OS/c19-16-7-5-15(6-8-16)14-3-1-13(2-4-14)11-17(20)18(22)21-9-10-23-12-21/h1-8,17H,9-12,20H2/p+1/t17-/m0/s1/fC18H20FN2OS/h20H/q+1 2303E72A611E3876