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R-30490 is an opioid related to carfentanil used as an animal tranquilizer. It was first synthesized by Janssen Pharmaceutica as part of a structure-activity relationship study of fentanly and its derivatives. R-30490 was found to be the most selective agonist for the mu opioid receptor out of all the fentanyl analogues tested, but it has never been introduced for medical use in humans, although the closely related drug sufentanil is widely used for analgesia and anesthesia during major surgery.
R-30490 is an opioid related to carfentanil used as an animal tranquilizer. It was first synthesized by Janssen Pharmaceutica as part of a structure-activity relationship study of fentanly and its derivatives. R-30490 was found to be the most selective agonist for the mu opioid receptor out of all the fentanyl analogues tested, but it has never been introduced for medical use in humans, although the closely related drug sufentanil is widely used for analgesia and anesthesia during major surgery.
每项发明一条，涵盖美国、欧洲、PCT 与中国的同族专利。
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专利文献通常使用化学名或研发代号指代药物，而非通用名；且专利申请在提交约 18 个月后才公开，较新的药物可能尚未出现在这里。
