5-(Difluoromethyl)-2-(trifluoromethyl)pyridine-3-carboxylic acid
3-(Difluoromethyl)-2-methoxy-6-nitropyridine-5-sulfonyl chloride
4-Chloro-6-phenylnicotinaldehyde
5-(Difluoromethyl)-2,3-dimethoxy-4-nitropyridine
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