5-Amino-4-chloro-3-(difluoromethyl)pyridine-2-carboxylic acid
6-(Difluoromethyl)-2-methoxy-4-nitropyridine-3-sulfonyl chloride
2-(Aminomethyl)-6-fluoro-5-(trifluoromethoxy)pyridine-3-acetonitrile
2-Amino-6-cyano-5-(difluoromethyl)pyridine-3-carbonyl chloride