in order of decreasing potency at the maximum teratogenic dose ( dopamine greater than isoproterenol greater than epinephrine greater than norepinephrine ) each drug was found capable of producing aortic arch anomalies of the third , fourth , and sixth aortic arches and ventricular septal defects ( vsd ) .
C0014563
epinephrine
C0028351
norepinephrine