3-(Chloromethyl)-4-(difluoromethyl)-5-iodo-2-methoxypyridine
3-(Aminomethyl)-4-bromo-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
Methyl 5-cyano-4-(difluoromethyl)-2-hydroxypyridine-3-carboxylate
6-Cyano-2-(difluoromethyl)-4-nitro-3-(trifluoromethoxy)pyridine