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