3-Hydroxy-2-nitro-6-(trifluoromethoxy)pyridine-4-carbonyl chloride
3-Hydroxy-2-nitro-4-(trifluoromethoxy)pyridine-6-carbonyl chloride
Ethyl 3-iodo-2-methyl-4-(trifluoromethoxy)pyridine-5-carboxylate
2-Hydroxy-6-nitro-5-(trifluoromethoxy)pyridine-3-carbonyl chloride