Methyl 2-bromo-4-nitro-5-(trifluoromethoxy)pyridine-3-acetate
Methyl 3-bromo-6-methyl-2-(trifluoromethoxy)pyridine-4-acetate
Methyl 3-bromo-6-methyl-4-(trifluoromethoxy)pyridine-2-acetate
Methyl 2-bromo-3-nitro-6-(trifluoromethoxy)pyridine-4-acetate
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