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