ethyl 7-chloro-6-fluoro-4-hydroxy-2-mercaptoquinoline-3-carboxylate

ethyl 8-chloro-7-fluoro-5-oxo-5H-thiazolo[3,2-a]quinoline-4-carboxylate

ethyl 7-chloro-6-fluoro-4-hydroxy-2-(p-methoxybenzylthio)quinoline-3-carboxylate

diethyl (3-chloro-4-fluorophenyl)amino(4-methoxybenzyl)-thiomethylenemalonate

Sodium; 1-(3-chloro-4-fluoro-phenylamino)-2,2-bis-ethoxycarbonyl-ethenethiolate