Ethyl 2,4-difluoro-6-(difluoromethyl)pyridine-3-carboxylate
2-Amino-4-(bromomethyl)-3-(difluoromethyl)-5-methoxypyridine
4-Chloro-3-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
Methyl 2-chloro-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylate