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