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