2-Amino-4-(difluoromethyl)-3-(trifluoromethyl)pyridine-5-acetic acid
6-Amino-4-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-acetonitrile
Ethyl 4-amino-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-5-carboxylate
Ethyl 3-amino-6-(chloromethyl)-4-(difluoromethyl)pyridine-2-acetate