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