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