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