Methyl 4-amino-6-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-carboxylate
5-Amino-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-carboxaldehyde
Methyl 2-amino-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-carboxylate
Methyl 5-amino-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-carboxylate