selective blockade of beta 2-adrenoceptors by erythro- ( +/- ) - ( alpha-methyl-indan-4-yloxy ) -3-isopropylaminobuta n-2-ol ( ici 118,551 ) attenuated the increase of contractile force caused by adrenaline but not by noradrenaline , suggesting some involvement of beta 2-adrenoceptors .
C0014563
adrenaline
C0028351
noradrenaline