Drug Gene Type Source butorphanol OPRD1 Text_Mining(Agonist) TTD butorphanol OPRD1 Text_Mining(Drug(s)) TTD butorphanol CYP1A2 Inhibition=None(Unspecified) D4 ChEMBL butorphanol CYP2C19 Inhibition=None(Unspecified) D4 ChEMBL butorphanol CYP2C9 Inhibition=None(Unspecified) D4 ChEMBL butorphanol CYP3A4 Inhibition=None(Unspecified) D4 ChEMBL