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dahuihui(½ð±Ò+2, ·­ÒëEPI+1): ºÜºÃ£¬Ð»Ð» 2011-02-28 10:18:47
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The peper discloses a method of making by sodium dithionite(Na2S2O4) and sodium borohydride reduction  N-arylpyridinium salts.At the same time discloses  
Structures and ratios of isomers ,,anather, the isomerization between them ratios
4Â¥2011-02-28 10:04:59
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