NOVEL DRUG FOR RELIEVING PAIN AND PROMOTING THE REMOVAL OF CALCULI IN UROLITHIASIS

摘要

The present invention relates to a novel drug for relieving pain andpromoting the removal of calculi in urolithiasis which contains as the activeingredient a drug having the stimulating effects on both .beta.2- and .beta.3-adrenoceptorsand exerting a potent relaxing effect on human ureteral smooth muscle.