three resorcinol derivatives with n-isopropyl ( orciprenaline ) , n-t-butyl ( terbutaline ) and n-p-hydroxypheny-t-butyl ( me506 ) amine substituents have been compared with ( -- ) -isoprenaline for their ability to produce beta-receptor mediated reductions in serotonin-induced increases in pulmonary resistance , decreases in soleus muscle contractility and increases in heart rate in anaesthetized cats .
C0039542
terbutaline
C0039231
increases