2-Amino-5-(difluoromethyl)-3-nitropyridine-4-carboxaldehyde
6-Amino-2-(chloromethyl)-4-(difluoromethyl)-3-(trifluoromethyl)pyridine
Ethyl 5-amino-4-(difluoromethyl)-3-nitropyridine-2-carboxylate
6-Amino-4-(difluoromethyl)-3-nitropyridine-2-carboxaldehyde