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