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