Methyl 3-amino-5-bromo-2-(difluoromethyl)pyridine-6-carboxylate
6-Bromo-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-carboxylic acid
3-Cyano-5-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-acetic acid
4-(Chloromethyl)-6-cyano-3-nitro-2-(trifluoromethoxy)pyridine