Methyl 2-amino-6-cyano-3-(difluoromethyl)pyridine-5-carboxylate
5-Methyl-2-(trifluoromethyl)pyridine-4-carboxylic acid
4-Bromo-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-2-acetonitrile
Ethyl 2-amino-5-methyl-6-(trifluoromethoxy)pyridine-3-carboxylate