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University_of_New_South_Wales+Uppsala_University
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Originally posted by chinar688 at 2008-5-26 22:47:
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3Â¥2008-05-26 22:58:25
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2Â¥2008-05-26 22:47:15
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4Â¥2008-05-27 08:30:31
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Originally posted by chinar688 at 2008-5-27 08:30:
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firstly, sorry, I can't type chinese on mac computer in my lab.

why are there 6 chlorine? I'm really confused.

Please don't hesitate to indicate!
University_of_New_South_Wales+Uppsala_University
5Â¥2008-05-27 12:36:48
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