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