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Methyl 5-acetylaminolevulinate

Methyl 5-amino-2,4-difluorobenzoate

Methyl 5-amino-2-fluorobenzoate

Methyl 5-amino-2-furoate

Methyl 5-aminopyrimidine-2-carboxylate

Methyl 5-aminosalicylate

Methyl 5-benzyloxy-1h-indazole-3-carboxylate

Methyl 5-benzyloxyindole-3-acetate

Methyl 5-bromo-1h-indazole-3-carboxylate

Methyl 5-bromo-2-furoate