InChI=1/C14H11FN2O4S/c1-8-6-9(15)2-5-13(8)22(19,20)17-10-3-4-11-12(7-10)21-14(18)16-11/h2-7,17H,1H3,(H,16,18)/f/h16H 43EB26637185FB5D