zhumenjun1984 2009/03/25
[img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=140392]Herbicidal diphenyl ethers: stereochemical studies using enantiomers of a novel diphenyl ether phthalide [/url]