3,4-Dihydroxy-2-(trifluoromethoxy)pyridine-5-acetonitrile
2-(Difluoromethyl)-3-fluoro-4-methoxypyridine-6-carbonyl chloride
Methyl 6-cyano-2-(difluoromethyl)-3-methylpyridine-4-carboxylate
6-(Aminomethyl)-2-chloro-3-(trifluoromethoxy)pyridine-4-acetonitrile