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