4-Bromo-2-cyano-3-(difluoromethyl)-6-(trifluoromethyl)pyridine
2-(Chloromethyl)-3-cyano-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
3-Amino-2-(difluoromethyl)-5-methylpyridine-4-carboxaldehyde
4-Amino-2-(fluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine