The present invention relates to certain spirooxindole derivatives of the formula I, and pharmaceutically acceptable salts thereof, which exhibit good analgesic properties and are particularly effective in the treatment of chronic pain.
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The present invention relates to certain spirooxindole derivatives of the formula I, and pharmaceutically acceptable salts thereof, which exhibit good analgesic properties and are particularly effective in the treatment of chronic pain.
本发明涉及某些式 I 的螺氧化吲哚衍生物及其药学上可接受的盐类,它们具有良好的镇痛特性,对治疗慢性疼痛特别有效。