116163-40-7
3-(2,4-dichloro-5-fluorophenyl)-3-oxo-2-(((1,1-dimethylethyl)amino)methylene)propanoic acid etyhyl ester
→
116163-44-1
ethyl 1-(tert-butyl)-7-chloro-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate