3-Amino-5-fluoro-4-(trifluoromethoxy)pyridine-2-sulfonamide
3-Amino-2-(difluoromethyl)-4-methylpyridine-5-sulfonyl chloride
4-Bromomethyl-3-phenylpyridine
2-(Difluoromethyl)-6-methoxy-4-nitropyridine-3-acetonitrile
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