InChI=1/C16H13FN2O4S/c1-10-15(11-2-8-14(9-3-11)24(18,21)22)19(16(20)23-10)13-6-4-12(17)5-7-13/h2-9H,1H3,(H2,18,21,22)/f/h18H2 6F1EEEA1D2BE00DB