these agents were : isoproterenol ( 10 ( -6 ) m ) , noradrenaline , adrenaline ( 10 ( -5 ) m each ) , glucagon , histamine ( 10 ( -3 ) m each ) , theophylline and caffeine ( 5.10 ( -2 ) m each ) .
C0028351
noradrenaline
C0014563
adrenaline