InChI=1/C15H18FN3OS/c1-2-5-10-8-14(20)19-15(18-10)21-13(9-17)11-6-3-4-7-12(11)16/h3-4,6-8,13H,2,5,9,17H2,1H3,(H,18,19,20)/t13-/m1/s1/f/h17H 13E5AC8B5F10B3F1