5-Methyl-3-nitro-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-(Bromomethyl)-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylic acid
5-Methyl-4-nitro-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Methyl-6-nitro-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride