2-(Aminomethyl)-5-bromo-4-nitro-3-(trifluoromethoxy)pyridine
2-Chloro-4-(chloromethyl)-3-cyano-5-(trifluoromethoxy)pyridine
2-Chloro-6-cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine
6-Chloro-4-cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine