2. No matter natural or synthetic piperidine derivatives exhibit an extensive range of biological activities such as anti-tumor, anti-inflammatory, anxiolytics, anti-epileptics.
不论是天然的还是非天然的哌啶衍生物均可表现出诸如抗肿瘤、抗炎、抗焦虑、抗癫痫等多种多样的生物活性。
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3. The compounds have the connecting ring structures of piperazine or piperidine, have notable antitumor activity, and provide a new choice for preparing antitumor drugs in clinical practice.
4. The radical 2 as an electron donor underwent a rapid photo-induced redox reaction in carbon tetrachloride leading to the formation of the corresponding piperidine hydroxylamine hydrochloride.
自由基2作为电子给体在四氯化碳中可发生光诱导的氧化还原反应，导致生成相应的哌啶羟胺盐酸盐；
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5. The radical 2 as an electron donor underwent a rapid photo-induced redox reaction in carbon tetrachloride leading to the formation of the corresponding piperidine hydroxylamine hydrochloride.
自由基2作为电子给体在四氯化碳中可发生光诱导的氧化还原反应，导致生成相应的哌啶羟胺盐酸盐；
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用作名词 (n.)
A new extracting agent of piperidine derivant was synthesized. 合成了一种新萃取剂哌啶多氮衍生物。
The crude dye is collected on a filter and then recrystallized from ethanol containing a small amount of piperidine. 粗染料过滤，然后在少量含有哌啶的乙醇中重结晶。
