InChI=1/C19H19FN2O4S/c20-18-12-16(6-7-17(18)15-4-2-1-3-5-15)14-8-10-22(11-9-14)27(25,26)13-19(23)21-24/h1-8,12,24H,9-11,13H2,(H,21,23)/f/h21H 440C3B4F090B3B93