the inhibition constant ki for triam was determined as 5 x 10 ( -6 ) m , compared to dopamine ( ki = 1,3 x 10 ( -2 ) m ) , norepinephrine ( ki = 3 x 10 ( -4 ) m ) , epinephrine ( ki = 5 x 10 ( -5 ) m ) and isoproterenol ( ki = 3 x 10 ( -6 ) m ) .
C0028351
norepinephrine
C0014563
epinephrine