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
2-Cyano-6-hydroxy-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride