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