3-(Aminomethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-4-acetic acid
Ethyl 4-(bromomethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylate
4-(Difluoromethyl)-3-methyl-2-nitropyridine-6-sulfonyl chloride
6-Chloro-4-cyano-2-(difluoromethyl)-3-methoxypyridine