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