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Synthesis and characterization of iodoazidobenzylpindolol.

A high affinity beta-adrenergic ligand, iodoazidobenzylpindolol, was synthesized and characterized. The absorption spectrum of this compound changed markedly upon photolysis, consistent with decomposition of the azide group. This compound has a KD of 5--7 x 10(-10) M for the duck erythrocyte ghost beta-adrenergic receptor when measured in a competitive binding assay.