2-Bromo-4-chloro-5-(difluoromethyl)pyridine-3-sulfonamide
6-(Bromomethyl)-2-cyano-4-(difluoromethyl)-3-methylpyridine
5-Amino-6-nitropicolinonitrile
6-Amino-2-methoxy-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
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