Ethyl 3-(difluoromethyl)-4-fluoro-2-nitropyridine-6-acetate
Ethyl 3-(difluoromethyl)-4-fluoro-5-methylpyridine-2-carboxylate
Ethyl 2-(difluoromethyl)-4-fluoro-3-nitropyridine-6-acetate
3-(Aminomethyl)-5-(difluoromethyl)-2-fluoro-4-(trifluoromethyl)pyridine