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