申请人:OTSUKA PHARMACEUTICAL FACTORY, INC.
公开号:EP1426374A1
公开(公告)日:2004-06-09
The present invention provides a novel naphthyridine derivative that is effective for relieving pain, less toxic, and also is effective for treating diabetic neuropathy, the derivative being represented by the general formula (1) :
wherein R1, R2, R3 and R4 are as described in the description.
本发明提供了一种新型萘啶衍生物,它能有效缓解疼痛,毒性较低,还能有效治疗糖尿病神经病变,该衍生物由通式(1)表示:其中 R1、R2、R3 和 R4 如说明中所述。