5-Hydroxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-carboxylic acid
Methyl 6-iodo-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 6-iodo-3-methyl-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 2-iodo-5-methyl-3-(trifluoromethoxy)pyridine-4-carboxylate