InChI=1/C16H15FN2O5S/c17-11-1-3-12(4-2-11)24-13-5-7-14(8-6-13)25(22,23)19-16(9-10-16)15(20)18-21/h1-8,19,21H,9-10H2,(H,18,20)/f/h18H 46E729B7AB16B1E9