InChI=1/C14H16FNO4S/c1-9(8-21-10(2)17)14(20)16(7-13(18)19)12-5-3-4-11(15)6-12/h3-6,9H,7-8H2,1-2H3,(H,18,19)/p-1/t9-/m1/s1/fC14H15FNO4S/q-1 5D8640B8D35C5CB0