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