6-Bromo-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid
3-Chloro-4-nitro-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-Chloro-3-hydroxy-4-iodo-6-(trifluoromethoxy)pyridine
2-Bromo-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetic acid