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