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