SEARCH Articles Figures Tables 6,7-Benzomorphan ring 6,7-Benzomorphane 6,7-Benzomorphane 6,7-Benzomorphans, 5-hydroxy Antagonists opioid benzomorphan derivatives Benzazocines benzomorphanes Benzomorphan Benzomorphan analgesics Benzomorphan analogue Benzomorphan antagonists Benzomorphan antagonists derivatives Benzomorphan derivatives Benzomorphanes Benzomorphanes Benzomorphans 1- substituted Benzomorphans affinity Benzomorphans analgesics structure-activity Benzomorphans antagonists Benzomorphans asymmetric synthesis Benzomorphans hydrogenation Benzomorphans isomers Benzomorphans peptides Benzomorphans profiles Benzomorphans rearrangement products Benzomorphans relationships Benzomorphans specific receptor sites Benzomorphans structure-activity-relationships Benzomorphans synthesis Morphine, Morphinan, and Benzomorphan 4-Phenylpiperidines