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