2-(Difluoromethyl)-3-methoxy-6-nitropyridine-4-sulfonyl chloride
6-Amino-2-methyl-3-(trifluoromethyl)pyridine
5-Amino-4-mercaptonicotinonitrile
4-(5-Chloro-2-(trifluoromethoxy)benzoyl)pyridine
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