6-Fluoro-2-methoxy-3-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Cyano-2-fluoro-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-Fluoro-6-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Cyano-6-fluoro-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride