Ethyl 2-amino-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-carboxylate
2-Amino-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetic acid
Methyl 5-amino-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-carboxylate
2-Amino-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-acetic acid