4-(Bromomethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid
4-(Bromomethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylic acid
2-(Aminomethyl)-3-iodo-6-methyl-4-(trifluoromethoxy)pyridine
5-Iodo-4-methyl-2-nitro-3-(trifluoromethoxy)pyridine