2-Amino-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylic acid
2-Amino-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-carboxylic acid
3-Amino-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-methanol
2-Amino-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-carboxylic acid