Ethyl 3-cyano-6-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate
3-(Aminomethyl)-5-(difluoromethyl)-2-methoxy-6-methylpyridine
Methyl 5-(difluoromethyl)-4-iodo-3-(trifluoromethyl)pyridine-2-carboxylate
3-Bromo-2-(difluoromethyl)-6-nitro-5-(trifluoromethoxy)pyridine