Methyl 3-amino-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-acetate
6-Amino-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-acetic acid
Methyl 2-amino-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetate
2-Amino-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetic acid