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