4-Chloro-5-(difluoromethyl)-3-nitropyridine-2-carbonyl chloride
3-Chloro-2-nitro-6-(trifluoromethoxy)pyridine-5-carbonyl chloride
4-(Chloromethyl)-3,6-diiodo-2-(trifluoromethoxy)pyridine
3-(Chloromethyl)-4-(difluoromethyl)-5-iodo-2-methylpyridine
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