2-Cyano-4-methoxy-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Methyl 2-cyano-4-methoxy-3-(trifluoromethoxy)pyridine-6-carboxylate
2-Cyano-3-methoxy-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride
6-Chloro-3-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-acetic acid