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US06750216B2 Kappa agonist compounds and pharmaceutical formulations thereof 失效
卡帕激动剂化合物及其药物制剂

Kappa agonist compounds and pharmaceutical formulations thereof
Abstract:
Compounds having kappa opioid agonist activity, compositions containing them and method of using them as analgesics are provided. The compounds of formula IIIB have the structure: wherein R1, R2, R, Ar and n are as described in the specification.
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