InChI=1/C18H17FN2O4S/c1-3-26(22,23)14-8-9-16(24-2)15(10-14)21-18-20-11-17(25-18)12-4-6-13(19)7-5-12/h4-11H,3H2,1-2H3,(H,20,21)/f/h21H D01FA5845BE4376C