Ethyl 2-(difluoromethyl)-5-iodo-6-nitropyridine-3-carboxylate
3-Fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
4-Fluoro-3-iodopyridine-5-methanol
2-Cyano-6-(difluoromethyl)-5-nitropyridine-3-acetic acid
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