2-Chloro-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylic acid
6-Chloro-2-cyano-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-Chloro-4-(difluoromethyl)-6-iodo-2-(trifluoromethoxy)pyridine
2-Chloro-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylic acid