Methyl 2-chloro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-carboxylate
Methyl 2-chloro-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-carboxylate
Methyl 4-chloro-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylate
3-Chloro-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylic acid