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