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