5-Bromo-2-cyano-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
4-Bromo-3-cyano-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
4-Bromo-3-cyano-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Amino-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetic acid