| 1. | Increasing allantoin yield by recycling mother solution 母液循环提高尿囊素收率 |
| 2. | Synthesis of allantoin catalyzed by solid - superacid so42 - tio2 - sio 2催化合成尿囊素 |
| 3. | Study of condensation of glyoxal for synthesizing allantoin 乙二醛合成尿囊素的研究 |
| 4. | Study on the synthesis of aminosulfonic acid and allantoin 氨基磺酸和尿囊素的合成研究 |
| 5. | Allantoin product introduction product name : allantoin 产品名称:尿囊素 |
| 6. | Study on the oxidation of glyoxal for synthesizing allantoin 乙二醛合成尿囊素的氧化过程研究 |
| 7. | The study of technology and application of synthesizing allantoin 化学合成尿囊素及应用的研究 |
| 8. | Synthesis of allantoin without catalyst 非催化条件下合成尿囊素 |
| 9. | Improvement of synthesizing allantoin 尿囊素化学合成的改进 |