The DTPA carboxyl active ester or the analog has the structure.
所述的二乙三 胺五乙酸羧基活化酯或类似物具有以上结构。
Ester compound, agent for controlling noxious organisms containing the same as active ingredient, and production.
酯化合物，含有其作为活性成分的有害生物防治剂，及其生产中间体。
The chemical structure of the allyl ester of monocrotaline is not the primary and active antican- cerous position of monocrotaline.
农吉利碱的烯丙酯结构，不是农吉利碱抗癌活性的主要部位。
The compatibility of total alkaloids' active ingredients and Rhubarb ingredients indicates the anthraquinone, tannin, polysaccharide and salt have influence on the hydrolysis of the Ester alkaloids.
总生物碱有效组分配伍大黄各组分表明大黄葸醌、鞣质、多糖和盐均对酯性生物碱的水解有影响。
Due to its higher ester content, this oil is also considered by some to be more therapeutically active.
由于其较高的酯含量，这种精油油也被认为具有更好的芳疗效果。
The method of using optically active phenylglycine butyl ester as resolution agent can obtain the higher yield, and it is easy to operate. So it is suitable for industrial production.
以手性苯甘氨酸丁酯为拆分剂的方法操作简单、收率较高，适于工业化生产。
Penetrating agent T Succinate ester sulfonate This product is brown yellow viscous liquid, an anionic surface active agent.
磺酸钠本品为棕黄色粘稠液体，属阴离子型表面活性剂。
Penetrating agent T Succinate ester sulfonate This product is brown yellow viscous liquid, an anionic surface active agent.
磺酸钠本品为棕黄色粘稠液体，属阴离子型表面活性剂。
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