Ethyl 4-amino-2-chloro-6-(trifluoromethoxy)pyridine-3-carboxylate
6-Amino-2-fluoro-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine
Ethyl 2-amino-5-chloro-3-(trifluoromethoxy)pyridine-4-carboxylate
2-Amino-6-fluoro-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine