a study of the ability of this catecholamine to stimulate adenylate cyclase activity of broken-cell preparations revealed that ( +/- ) -hydroxybenzylisoproterenol was equipotent to ( - ) -isoproterenol in liver cell homogenates , while 3- to 4-fold more potent than ( - ) -isoproterenol in fat cell ghost membranes .
C0007412
catecholamine
C0022245
isoproterenol