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