LEVALLORPHAN DISCONTINUED | LEVALLORPHAN | NERVOUS SYSTEM NARCOTIC ANTAGONIST ANALGESIC ANTAGONISTS MORPHINE ANTIDOTES | INJECTION | | OPIOID RECEPTOR | Mu-type opioid receptor UNIPROT P35372 OPRM1 more at DrugCentral | EMA ANSM (in French) Inxight Drugs Dailymed Drugs.com SIDER side effects Chemical Probes Portal ChEMBL BindingDB DrugBank |