2-Cyano-3-hydroxy-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Methyl 6-cyano-4-methyl-2-(trifluoromethoxy)pyridine-3-acetate
Methyl 2-cyano-4-methyl-5-(trifluoromethoxy)pyridine-3-acetate
3-Chloro-5-hydroxy-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride