4-Amino-2-(difluoromethyl)-3-fluoro-5-methylpyridine
4-Amino-5-cyano-2-(difluoromethyl)pyridine-3-sulfonamide
5-Amino-3-(difluoromethyl)-4-fluoro-2-methylpyridine
6-Amino-3-bromo-4-(difluoromethyl)pyridine-2-carboxylic acid
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