Methyl 2-cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 2-cyano-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylate
3-(Aminomethyl)-2-fluoro-5-hydroxy-6-(trifluoromethoxy)pyridine
Methyl 2-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate