abstract |
Disclosed is a drug for the treatment of benign prostatic hypertrophy. 2- [3-([1,4] -Benzodioxane-2-yl-methylamino) -1-propyl] -3 (2H) -pyridazinone, which is the following formula or an enantiomer thereof. It has α 1 -and α 2 -adrenergic receptor antagonism and urogenital selectivity. [Selection figure] None |