2-Bromo-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetonitrile
2-Bromo-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetonitrile
3-(Aminomethyl)-2-chloro-5-nitro-4-(trifluoromethoxy)pyridine
6-(Aminomethyl)-4-chloro-2-nitro-3-(trifluoromethoxy)pyridine