6-Fluoro-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
5-Amino-4-(difluoromethyl)-2-methylpyridine-3-carboxaldehyde
2-Fluoro-5-hydroxy-4-nitropyridine
3-Cyano-2-iodo-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride
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