4-(Difluoromethyl)-3-hydroxy-6-nitropyridine-2-sulfonyl chloride
2-Amino-4-iodo-5-(trifluoromethoxy)pyridine-3-carbonyl chloride
4-(Difluoromethyl)-2-fluoro-3-iodopyridine-6-carbonyl chloride
5-Chloro-2-(difluoromethyl)-4-fluoro-3-nitropyridine
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