Methyl 2,5-diiodo-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 2,3-dimethoxy-5-(trifluoromethoxy)pyridine-6-acetate
Methyl 2,3-dimethoxy-4-(trifluoromethoxy)pyridine-6-acetate
Methyl 3,5-dimethyl-4-(trifluoromethoxy)pyridine-2-acetate
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