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