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- Method Treatment of 8,9 anhydroerythromycin 6,9 hemiketal with iodine in the alkaline solution provided corresponding N monodemethylated 12 membered ring erythromycin derivative. 方法8,9脱水红霉素6,9半缩酮与碘在碱性溶剂中反应得到相应的N去甲基十二元环红霉素衍生物。
- Keywords Erythromycin;11;2';4-tri-o-acetyl erythromycin derivative;Polyvinylpyridine;4-（1'-pyrrolidinyl）pyridine.; 红霉素;0-乙酰化反应;聚乙烯吡啶;4-（1'-四氢吡咯）吡啶;
- erythromycin derivative 红霉素衍生物
- An organic derivative, such as coal or petroleum. 有机衍生物一种有机衍生物，如煤或石油
- PROGRESS IN STRUCTURE-ACTIVITY RELATIONSHIP STUDY OF ERYTHROMYCIN DERIVATIVES 新红霉素衍生物的结构修饰与抗菌活性研究进展
- An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰
- A mark used as a superscript to indicate the first derivative of a variable. 撇号置于右上角的符号，用以标明变量的第一个导数
- The derivative of the step is the impulse. 阶梯的导数就是脉冲。
- A derivative is defined by a limiting process. 导数是通过一个极限过程加以规定的。
- They spoke a derivative of the Malay language. 他们说一种从马来语派生的语言。
- A highly derivative prose style. 毫无创意的散文风格
- Cost-Effectiveness Analysis of Three Antibiotics of Erythromycin Derivatives in Treating Upper Respiratory Tract Infections 三种红霉素衍生物类抗生素治疗上呼吸道感染的成本-效果分析
- A derivative word;a derivative process. 衍生词；推导过程
- Not standing alone;derivative or dependent. 从属的，不独立的不独立存在的；衍生性的或依赖性的
- An amino - acid derivative of galactose. 半乳糖胺半乳糖的一种氨基酸衍生物
- The doctor prescribed two boxes of erythromycin to cure him. 医生给他开了两盒红霉素来治疗他的病。
- Derivative that is thrown if the wait times out. 派生类,它在等待超时后即被抛出。
- Derivative works are far more complicated. 派生作品更加复杂。
- The Derivative of a Map between Vector Spaces. 向量空间之间映射的微分。
- Say that the derivative financial instruments. 再说说衍生金融工具。
