Hexahydroxy N-containing heterocyclic compound without sulfur and phosphorus was synthesized and its structure was characterized.
无硫、磷的六元含氮杂环化
物添加
。
Hexahydroxy N-containing heterocyclic compound without sulfur and phosphorus was synthesized and its structure was characterized.
无硫、磷的六元含氮杂环化
物添加
。
Guanine A nitrogenous base found in DNA and RNA.Guanine has a pruine ring structure.
是存在于DNA与RNA中的一种含氮碱基,具有一个嘌呤环结构。
As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.
异氰基化物进一步二聚
二苯基碳化二亚胺,后
又聚
生
含氮杂环的多环芳烃。
A new paint remover was synthesized with chloroalkane as primary solvent,organic acid as accelerator and organic compound containing N and S as inhibitor.
以氯代烷为主溶、烷基醇为助溶
、有机酸为促进
、含氮和硫的有机化
物为缓蚀
一种新的脱漆
。
Two different kinds of palladium complexes of nitrogen containing polymere havebeen prepared and their catalytic actions for p -nitro -methyl benzfene have been invertigeted.
两种不同的含氮高分子-钯络
物,并研究
它们对对硝基甲苯的催化活性。
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