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- 4 - nitro benzoyl acylhydrazine 对硝基苯甲酰芳肼
- Methods: According to the structur e of the lead compound: genistein,a genistein derivative,5 hydroxy 4' nitro 7 sustituted oxo isoflavones were designed and synthesized. 方法:根据先导化合物金雀异黄素的结构,设计合成了一类金雀异黄素衍生物:5-羟基-4'-硝基-7-取代氧基异黄酮。
- Keywords 4-nitrobenzoic chloride;substituted hydrazine;4-nitro benzoyl acylhydrazine;synthesis;dehydrogenation; 对硝基苯甲酰氯;取代苯肼;对硝基苯甲酰芳肼;合成;氧化脱氢;
- 4-Nitro Benzoyl Acylhydrazine 对硝基苯甲酰芳肼
- Keywords nonlinear optical polymer;UV visible spectrum;corona poling 5 (4 nitro phenyl) 2 furol;methyl methacrylate; 非线性光学聚合物;紫外-可见光谱;电晕极化;5-(4-硝基苯)-2-呋喃甲醛;甲基丙烯酸甲酯;
- Studies on the Sythesis of 2 (2 Cyano 4 Nitro 6 Bromobenzeneazo) 6 Isopropylphenol and Its Color Reaction with Metallic Ions 章汝平, 新试剂2-(2-氰基-4-硝基-6-溴苯偶氮)-6-异丙基苯酚的合成及金属离子显色反应
- Visiting time in this hospital is from 4 to 6. 这家医院的探望时间是从4点到6点。
- Let it be 4:25 tomorrow afternoon. 就定明天下午4点25分吧。
- A monthly is more economical than 4 weeklies. 一张月票比四张周票上算。
- He is remanded on his own recognizance of$4,000. 在保证付款4,000美元后他被还押(以后再出庭)。
- The doors were numbered 2,4, 6 and 8. 这些门编为2、 4、 6、 8号。
- We were routed out of our beds at 4 am. 清晨 4 点钟就把我们从床上叫起来了。
- The next postal delivery is at 4 o'clock. 下一次邮递时间是四点钟。
- He was said to have salted away $4 million. 据说他已积蓄了四百万美元。
- Subtract 3 from 7 and you have 4. 七减三得四。
- The champion is running in lane 4. 冠军跑在第四跑道上。
- We can't get Channel 4 on our television. 我们的电视机收看不到第4频道的节目。
- Our flight is boarding at gate number 4. 我们的航班在四号门登机。
- Unemployment declined to 4 percent last month. 上个月失业率降至百分之四。
- The going rate for the job is£4 per hour. 这种工作的现行工资是每小时四英镑。