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Copyright Transfer Statement

正The copyright to this article is transferred to Chinese Chemical Society and Institute of Chemistry,CAS and Springer(respective to owner if other than Chinese Chemical Society and Institute of Chemistry,CAS and Springer and for U.S.government employees:to the extent transferable)effective if and when the article is accepted for publication.The author warrants that his/her contribution is original and that he/she has full power to make this grant.     

Copyright Transfer Statement

正The copyright to this article is transferred to Chinese Chemical Society and Institute of Chemistry,CAS and Springer(respective to owner if other than Chinese Chemical Society and Institute of Chemistry,CAS and Springer and for U.S.government employees:to the extent transferable)effective if and when the article is accepted for