Methyl 3-amino-6-chloro-4-(difluoromethyl)pyridine-2-carboxylate
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