in isolated canine ventricular trabeculae and papillary muscles driven electrically at 0.5 hz at 37 degrees c , the positive inotropic effects of milrinone , amrinone , mdl 17,043 , mdl 19,205 , opc-8212 , and forskolin were all associated with simultaneous elevations in tissue cyclic amp levels .
C0128513
milrinone
C0002697
amrinone