3-Amino-5-(bromomethyl)-2-(difluoromethyl)pyridine-6-carboxylic acid
2-(Difluoromethyl)-3-iodo-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-Bromo-3-chloro-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine
3-Chloro-2,4-diamino-6-(difluoromethyl)pyridine