供货周期: | 现货 |
品牌: | Nist |
规格: | 1ml |
货号: | 31749-27-6 |
CAS号: | 31749-27-6 |
CAS: 31749-27-6 2-Methylbenzo[b]thieno[3,2-d]thiophene 0.1mg/L GC标样 1ml 原装进口
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