3-Hydroxy-2-iodo-5-(trifluoromethoxy)pyridine-4-carbonyl chloride
6-Hydroxy-2-iodo-3-(trifluoromethoxy)pyridine-4-carbonyl chloride
Methyl 2-(difluoromethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-(difluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-5-carboxylate