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1 Université Pierre et Marie Curie (Paris 6), Laboratoire de Chimie Organique de Synthèse, Tour 44-54; 2nd étage, CC 229, 4, place Jussieu, 75252 Paris Cedex 05, France. aubert@ccr.jussieu.fr
1 Université Pierre et Marie Curie (Paris 6), Laboratoire de Chimie Organique de Synthèse, Tour 44-54; 2nd étage, CC 229, 4, place Jussieu, 75252 Paris Cedex 05, France. aubert@ccr.jussieu.fr