when relaxation responses to these amines were calculated as a % of their maximal effects , comparison of ec50 values showed that the order of potency was iso greater than ad = fen greater than na greater than phe ( 92:27:25:1:0.2 ) in preparations with carbachol-induced tone and iso greater than ad greater than na greater than phe ( 112:38:1:0.3 ) in preparations with spontaneous tone .
C0014563
ad
C0028351
na