Ethyl 4-(difluoromethyl)-6-fluoro-2-methoxypyridine-3-carboxylate
3-(Aminomethyl)-6-(difluoromethyl)-2-fluoro-4-nitropyridine
Methyl 4-(difluoromethyl)-6-fluoro-3-methoxypyridine-2-acetate
5-(Aminomethyl)-2-(difluoromethyl)-3-fluoro-6-methoxypyridine