InChI=1/C13H11FN4O2S/c14-9-4-3-8(16-13(20)11-7-15-17-21-11)6-10(9)18-5-1-2-12(18)19/h3-4,6-7H,1-2,5H2,(H,16,20)/f/h16H ACE73F9E97763F08