| 摘要 |
The present invention provides naphthyridinium derivatives which are effective, for example, in diagnosis of diabetes, diabetic complications, dialysis-related complications, aging, diseases accompanied by aging, etc. and also provides an antibody prepared from said derivative as a hapten. The naphthyridinium derivatives of the present invention are compounds represented by the general formula (I): <IMAGE> (I) wherein R and R' may be the same or different and are alkyl groups optionally substituted with at least one amino group, at least one protected amino group, at least one carboxyl group, or combinations thereof, and their pharmaceutically accepted salts. It is possible to conduct the diagnosis of diabetes, diabetic complications, dialysis-related complications, aging, diseases accompanied by aging, etc. using a compound of the present invention as an indicator. Moreover, it is possible to utilize a compound of the present invention for the evaluation of the pharmaceutical effect of pharmaceuticals effective for treating diabetes-related diseases, dialysis-related complications, aging and diseases accompanied by aging.
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