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发表于 2008-3-18 08:53:46 | 显示全部楼层 |阅读模式
http://www.chemblink.com/
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6 I* f- ~7 v( _: zchemBlink is an open source of chemical information available to the public online since 2005. It also serves as a platform to promote products for worldwide suppliers
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http://chemfinder.cambridgesoft.com/& T! m$ v2 T  S& E
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ChemFinder
$ b2 c5 ~6 m. o+ [  i1 NFree Chemical Searching
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