The synthesis of epalrestat,an aldose reductase inhibitor, was improved. The yield of its intermediate 3-carboxymethyl rhodanine was raised to 76.4%.

对醛搪还原酶抑制剂依帕司成工艺作了改进，使中间体绕宁乙酸收率提高到76．4％。

Warmly rich and vivid in the mouth.The elegant tannins and the density of the fruit combine voluptuously, giving a perfect balance.

入口温厚，典雅宁酸果子紧密结，美好完美平衡。