abstract |
(57) [Summary] [Object] The present invention aims to provide a peripheral nerve cell degeneration repairing or protecting agent. The peripheral nerve cell degeneration repairing or protecting agent of the present invention has the general formula: [In the formula, R E , R F and R I each represent a lower alkyl group. R G and R H each represent a lower alkoxy group. ] It contains the phenyl derivative etc. which are represented by this as an active ingredient. |