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