halogen substituted 卤素取代了 ; 卤素取代了的
halogen-substituted phosphaalkene 卤代膦烯
halogen-substituted hydroxamates 卤代异羟肟酸钴
This article studies the reactions of nitrous acid with eldest aromatic amine and diazonium salts substituted by halogen, and investigates the condition and mechanism of those reactions.
通过对亚硝酸与伯芳胺反应形成重氮盐,以及重氮盐被卤素取代生成卤代芳烃的反应条件和反应机理的研究。
The invention relates to novel specifically trifluoromethyl and halogen substituted 1,3-diphenyl ureas and their use as active ingredients in the preparation of pharmaceutical compositions.
本发明涉及新的特别由三氟甲基和卤素取代的1,3-二苯基脲,以及它们 在药物组合物的制备中作为活性成分的用途。
Results showed that this kind of compounds has excellent photobleaching property. The bleaching effect of phthalocyanines containing halogen substituent is better than the one that is not substituted.
结果表明该类化合物具有很好的光学漂白性,含卤素取代酞菁的漂白效果明显好于不含卤素酞菁的效果。
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