Methyl 6-cyano-2-nitro-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-cyano-6-nitro-4-(trifluoromethoxy)pyridine-3-carboxylate
5-(Aminomethyl)-4-chloro-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine
3-(Aminomethyl)-4-chloro-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine