Methyl 4-chloro-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetate
Methyl 5-chloro-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetate
Methyl 3-chloro-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetate
3-Cyano-2-methoxy-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride