Methyl 3-chloro-2-fluoro-5-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 6-chloro-2-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-chloro-3-fluoro-4-(trifluoromethoxy)pyridine-5-carboxylate
2-Chloro-4-fluoro-3-(trifluoromethoxy)pyridine-6-acetic acid