Novel 4-alkylsubstituted-3-hydroxy-3-pyrroline-2,5-diones are disclosed which inhibit glycolic acid oxidase and thus are useful in the treatment and prevention of calcium oxalate kidney stone formation. A novel process for their preparation is also disclosed.
                            揭示了一种新型的4-烷基取代的3-羟基-3-
吡咯烷-2,5-二酮,它们抑制了
甘醇酸氧化酶,因此在治疗和预防
草酸钙肾结石形成方面具有用处。还揭示了一种新颖的制备方法。