in this preparation , noradrenaline ( na ) , adrenaline ( adr ) and alpha-methyl-na were full agonists , while phenylephrine , dopamine and the catechol-imidazolidine ( 3,4-dihydroxyphenylamino ) -2-imidazolidine , ( dpi ) were partial agonists .
C0028351
noradrenaline
C0025805
alpha-methyl-na