... pyramidic space frame ==> 四角锥空间构架 pyranium salt ==> 吡喃盐 pyranoid form ==> 吡喃型 ...
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However, the high price of silver(I) perchlorate, low yield of pyrylium salts and the special request for reactive environment restricted its application as a reactant in this approach.
但是由于其昂贵的价格、吡喃盐较低的产率、以及对反应条件的苛刻要求限制了其作为这个反应的反应试剂的应用。
参考来源 - 氧气液相氧化取代环戊二烯合成吡喃盐的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
吡喃盐是指含有六元氧杂环正离子结构的有机芳香化合物，因其独特的化学及物理特性而具有非常广泛的应用价值。
Pyrylium salts are a type of organic aromatic compounds with one or more six-numbered oxoheterocyclic cations, which are practically valuable owing to their peculiar chemical and physical properties.
苯并咪唑衍生物取代的苯并吡喃衍生物，其药用盐，它们的制备方法和含有它们的药物组合物。
Benzopyran derivatives substituted with a benzimidazole derivative, pharmaceutically acceptable salts thereof, their preparations and pharmaceutical compositions containing them.
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