3-Amino-6-chloro-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine
4-Amino-5-chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine
5-Amino-2-chloro-4-(trifluoromethoxy)pyridine-3-acetonitrile
4-Amino-5-chloro-2-(trifluoromethoxy)pyridine-3-acetonitrile