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- Objective: To decrease the unknown impurity and the main impurity C[2-diethy-laminoethyl-3-(1-naphthyl) -2-(1-naphthylmethyl) propionate oxalate] in naftidrofuryl oxalate drug material. 目的:降低萘呋胺酯草酸盐原料药中的单个未知杂质和主要杂质C[3-(1-萘基)-2-(1-萘甲基)丙酸-2-二乙胺基乙酯草酸盐]的含量。
- Keywords naftidrofuryl oxalate drug material;hydrogenation;high vaccum distillation;recrys-tallization; 萘呋胺酯草酸盐原料药;氢化;高真空蒸馏;重结晶;
- Naftidrofuryl Oxalate 草酸萘呋胺, 草酸萘呋胺酯[血管扩张药]
- Objective:To synthesize escitalopram oxalate. 目的:合成草酸依地普仑。
- Mercury fulminate may contain trace of mercuric oxalate. 雷汞中可能含有微量的乙二酸汞。
- Prolong bake time can improve weatherproofing of oxalate coating. 延长烘烤时间,草酸盐转化膜的耐候性提高。
- Thus there is a greater calcium need to immobilize the oxalate. 因而需要较大量钙去固定草酸。
- Add 100 ml 0.0125 M sodium oxalate (Na2C2O4) to the solution. 加入100亳升的0.;0125M草酸钠溶液(Na2C2O4)。
- Add 100 ml.0.0125 M sodium oxalate (Na2C2O4) to the solution. 加入100亳升的0.;0125M草酸钠溶液(Na2C2O4)。
- The oxalate ester peroxide is one of the give out light materials. 过氧草酸酯是一种最有效的化学发光物质之一。
- Results: The calcium oxalate crystal is lump crystal. 结果翻白草中草酸钙晶体呈块状,为“块晶”。
- Struvite and calcium oxalate stones are by far the most common. 最常见的是磷酸铵和草酸钙结石。
- Results:A total yield of escitalopram oxalate was 13. 6% . 结果:以5-氰基苯酞计,总收率为13.6%25。
- Result:Saluresis included phosphate,oxalate and urate,et al. 结果:尿盐分别为磷酸盐、草酸盐、尿酸盐等。
- Calcium oxalate was the most common crystal in the urinalysis (44.4%). 各种结晶体中,以草酸钙结体最常见(44.;4%25)。
- To treat(a specimen)with an oxalate or oxalic acid. 用草酸盐或草酸处理(样品)
- This is a result of poor food or a steady diet of high oxalate foods. 这种情况的产生是因为不好的食物或者长期的高草酸盐食物食物造成的。
- Precipitation by oxalate is the primary method to produce rare earth oxides. 稀土草酸盐沉淀法是制备稀土氧化物的主要方法。
- Genotypic difference in Al resistance and oxalate exudation of buckwheat. 反相高效液相色谱法测定植物组织及根分泌物中草酸。
- PSMA promoted the formation of strontium oxalate dihydrate (SOD) phase. 实验发现, PSMA有助于促进二水草酸锶(SOD)的形成;