Methyl 2-(aminomethyl)-3-chloro-5-(trifluoromethoxy)pyridine-4-acetate
Methyl 6-chloro-3-methoxy-2-(trifluoromethoxy)pyridine-4-acetate
Methyl 4-(difluoromethyl)-3-hydroxy-6-methoxypyridine-2-carboxylate
2-(Difluoromethyl)-5-hydroxy-6-nitropyridine-3-carboxaldehyde