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