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。
Conclusion: There is no optical isomer in alliin samples. its configuration was found to be S-allyl-L-cysteine sulfoxide.
结论：国产蒜氨酸中无手性对映体杂质，其立体构型为S-烯丙基-L-半胱氨酸亚砜。
The raceme, the (R)-isomer and the (S)-isomer are identical in chemical structural formula but different in stereostructure and optical rotation performance.
外消旋体、（R）-异构体和（S）-异构体具有相同的化学结构式，具有不同的立体结构和旋光性能。
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