Methyl 3-(difluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine-6-carboxylate
3-(Bromomethyl)-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-carboxylic acid
3-Methyl-4-nitro-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Methyl 3-(difluoromethyl)-2-nitro-6-(trifluoromethoxy)pyridine-4-carboxylate