buflomedil ( 10 mg/kg i.v . ) reduced pressor responses to norepinephrine ( noradrenaline ) and enhanced depressor responses to isoprenaline ( isoproterenol ) , without affecting depressor responses to acetylcholine and positive chronotropic responses to norepinephrine and isoprenaline .
C0028351
noradrenaline
C1372804
positive chronotropic