according to the effect of drugs on aa , the drugs were divided into three kinds : ( 1 ) drugs with potentiating effect : fentanyl , pethidine , droperidol , perphenazine , metoclopramide , fenfluramine , tetrahydrocannabinol , fentanyl plus droperidol , fentanyl plus fenfluramine .
C0117480
fentanyl
C0015846
fentanyl