Ethyl 2-(difluoromethyl)-6-methoxypyridine-4-carboxylate
Ethyl 2-(difluoromethyl)-4-methoxypyridine-5-carboxylate
Methyl 2-(chloromethyl)-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-carboxylate
Ethyl 2-(difluoromethyl)-3-methoxypyridine-5-carboxylate