网络例句
奎宁环
- 与 奎宁环 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Six 3,6-dichloropyridazine-derivatized cinchona alkaloid catalysts were synthesized and applied in IFB reaction.
二氢奎宁二聚体2c最差(56%ee)，与环己二酮相比，环戊二酮作为反应原料时，产物的ee值降低。
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Synthesis with carbocyclic compounds, such as cyclodienylsilane, quinic acid and norbornene etc, as starting materials is discussed in detail.
重点介绍了以环二烯基硅烷、奎宁酸、降冰片烯等碳环化合物为原料合成碳环糖的进展。
- 推荐网络例句
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They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.
他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。
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In slot 2 in your bag put wrapping paper, quantity does not matter in this case.
在你的书包里槽2把包装纸、数量无关紧要。
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Store this product in a sealed, lightproof, dry and cool place.
密封，遮光，置阴凉干燥处。