Affinity of the Miotic Drug, Dapiprazole, at α1‐Adrenoceptor Subtypes A, B and D

The functional affinities of the α1‐adrenoceptor antagonist, dapiprazole, currently being used to reverse diagnostic pupillary dilation, were determined at subtype A in rat vas deferens, at subtype B in guinea‐pig spleen and at subtype D in rat aorta and compared with various α1‐adrenoceptor subtype‐discriminating antagonists.

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