2-Hydroxy-4-methyl-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
Methyl 4-cyano-5-(difluoromethyl)-3-hydroxypyridine-2-carboxylate
Ethyl 6-cyano-3-(difluoromethyl)-2-hydroxypyridine-4-carboxylate
5-(Chloromethyl)-2-cyano-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine