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