dong3626 2008/10/31
[img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=115717]6.Gas Chromatography–Mass Spectrometry Analysis of Regioisomeric Ring Substituted Methoxy Methyl Phenylacetones[/url]