4-Bromo-6-iodo-2-nitro-3-(trifluoromethoxy)pyridine
4-(Chloromethyl)-6-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-sulfonyl chloride
6-(Difluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine
3-Amino-4-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylic acid