Ethyl 2-amino-3-chloro-6-(trifluoromethoxy)pyridine-5-carboxylate
5-Amino-2-chloro-4-(trifluoromethoxy)pyridine-3-acetic acid
Ethyl 3-amino-2-chloro-6-(trifluoromethoxy)pyridine-4-carboxylate
3-Amino-4-chloro-5-(trifluoromethoxy)pyridine-2-acetic acid