sufentanil , a synthetic opioid that is 5-10 times as potent as fentanyl , has been suggested by some authors to prevent hypertensive responses to noxious stimuli in patients undergoing coronary artery bypass surgery much better than fentanyl , while in other studies it has failed to maintain cardiovascular stability during surgical stimulation .
C0143993
sufentanil
C0015846
fentanyl