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