2-Nitro-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-sulfonyl chloride
2-Nitro-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carbonyl chloride
5-(Difluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Nitro-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-sulfonyl chloride