2-(Difluoromethyl)-5-methoxy-6-nitropyridine-3-carbonyl chloride
2-(Difluoromethyl)-5-methoxy-4-nitropyridine-3-carbonyl chloride
2-(Difluoromethyl)-3-methoxy-6-nitropyridine-5-carbonyl chloride
4-Chloro-5-methoxypyridine-3-carbonyl chloride
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