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