2-Hydroxy-4-nitro-6-(trifluoromethoxy)pyridine-3-carbonyl chloride
4-Iodo-6-methoxy-2-methyl-3-(trifluoromethoxy)pyridine
4-Iodo-2-methoxy-5-methyl-3-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylic acid