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