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