the potency and selectivity for inhibition of peak i or peak iii phosphodiesterase by theophylline and papaverine , the peak i selective inhibitor m + b 22948 , and the peak iii selective inhibitors amrinone , milrinone , imazodan , ci-930 and piroximone were approximately equal when isozymes isolated from aortic smooth muscle were compared to isozymes isolated from cardiac muscle of both species .
C0002697
amrinone
C0128513
milrinone