InChI=1S/C18H19FN2O3S/c19-14-5-2-6-15(10-14)25(23,24)16-7-8-17-12(9-16)3-1-4-13(17)11-21-18(20)22/h2,5-10,13H,1,3-4,11H2,(H3,20,21,22)/t13-/m0/s1