| 1. | Synthesis and characterization of poly ethylene glycol fumarate 酸衍生物合成与结构表征 |
| 2. | The progress in derivatives for oxoacetic acid 乙醛酸衍生物的研究进展 |
| 3. | Progress in study of glycine derivative 甘氨酸衍生物的研究进展 |
| 4. | The synthesis and resolution of the optical active derivatives of ketorolac 光活性酮咯酸衍生物的合成与拆分 |
| 5. | Theoretical study on molecular nonlinear optical properties of barbituric acid derivatives 巴比妥酸衍生物分子非线性光学性质的理论研究 |
| 6. | Synthesis and antibacterial activity of azithromycin 4 quot; - substituted benzal hydrazinoformate derivatives 光活性酮咯酸衍生物的合成与拆分 |
| 7. | Synthesis and aldose reductase inhibitory activity of - phenylmethylene - - oxo - benzenepropanoic acid derivatives 氧代苯丙酸衍生物的合成及其醛糖还原酶抑制活性 |
| 8. | This review concentrates on the recent advances of cross - linking reagent for producing ha derivatives , and introduces the application and development of common cross - linking reagent and new type cross - linking reagent , so as to provide more advice for the development of ha reagent 本文综述了近年来国内外有关使用交联剂制备透明质酸衍生物的研究,介绍了常用交联剂和新型交联剂的应用情况和发展前景,为研制开发新型透明质酸提供选择。 |
| 9. | In this paper we describe the synthesis of six derivitives of a - aminomethylphosphonic acids , three of which were synthesized for the first time , the structure of them were characterized by ir spectrum , 1h nmr and 31p nmr spectrum , the structure of proline - n - methylphosphorus acid was discussed 本文报道合成了五种-氨基膦酸衍生物,用红外光谱( ir ) ,核磁共振氢谱( ~ 1hnmr )和核磁共振磷谱( ~ ( 31 ) pnmr )表征其结构,详细讨论了脯氨酸- n -甲基膦酸的结构。 |