Methyl 4-nitro-3-(trifluoromethoxy)pyridine-5-acetate
Methyl 4,5-dibromo-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 3,4-dibromo-2-(trifluoromethoxy)pyridine-5-acetate
Methyl 2,6-dibromo-3-(trifluoromethoxy)pyridine-5-acetate
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