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