This invention relates to novel derivatives of 4-hydroxybutyric acid and prodrugs thereof, and pharmaceutically acceptable salts of the foregoing. This invention also provides pharmaceutical compositions comprising a compound of this invention and the use of such compositions in methods of treating narcolepsy, fibromyalgia, other disorders or conditions that are beneficially treated by improving nocturnal sleep or by administering sodium oxybate.
                            这项发明涉及
4-羟基丁酸及其新颖衍
生物、前药以及上述的药用盐。该发明还提供了包括本发明化合物的药物组合物,并且利用这些组合物治疗嗜睡症、纤维肌痛、其他通过改善夜间睡眠或给予奥司他酸
钠治疗有益的疾病或症状的方法。