Methyl 5-amino-2-chloro-3-(difluoromethyl)pyridine-4-carboxylate
4-Amino-6-chloro-3-(difluoromethyl)-2-(trifluoromethyl)pyridine
3-Amino-2-chloro-6-(difluoromethyl)pyridine-5-carboxylic acid
4-Amino-2-chloro-3-(difluoromethyl)-5-(trifluoromethyl)pyridine