1·It is a constitutional isomer of dimethyl ether.
这是二甲醚的结构异构体。
2·The boat conformation of its geometric isomer, dysamide C (2) studied by X-ray diffraction analysis is described.
描述了通过 X 射线衍射分析研究的其几何异构体 dysamide C（2）的船形。
3·Allene is an isomer of methyl acetylene.
丙二烯是甲基乙炔的一种异构体。
4·Due to the configuration inversions of chiral carbon in the synthesis of side chain, we synthesized the corresponding optical isomer of doripenem for quality control.
由于在侧链的合成中，有手性碳原子发生了构型翻转，因此我们合成了一个相应的多利培南光学异构体，以利于质量控制。
5·The dimer and isomer of NAA has been found as the main products arised from these radical groups.
这些自由基又进一步反应形成了主要的产物，包括萘乙酸二聚体和萘乙酸的异构体。