3.Pyridazinone derivatives have considerable kinds of biological activities such as those cardiotonic,platelet aggregation inhibitory,anti-inflammatory,aldose reductase inhibitory,antifungal and so on.
4.The synthesis of epalrestat,an aldose reductase inhibitor, was improved. The yield of its intermediate 3-carboxymethyl rhodanine was raised to 76.4%.
5.The main body of a book is adopt to follow different condition of admeasurement in vitro to active effect of stem tumour mustard hydrogen nitrate reductase.