3-Amino-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetonitrile
2-(Aminomethyl)-3-(difluoromethyl)-4-methyl-6-nitropyridine
5-Chloro-3-(difluoromethyl)-2-methoxypyridine-4-carboxaldehyde
3-(Difluoromethyl)-4-methoxy-2-nitropyridine-5-acetonitrile