A Double Concave Hydrocarbon Buckycatcher Sygula, Andrzej ; Fronczek, Frank R. ; Sygula, Renata ; Rabideau, Peter W. ; Olmstead, Marilyn M. Abstract Publication: Journal of the American Chemical Society Pub Date: April 2007 DOI: 10.1021/ja070616p Bibcode: 2007JAChS.129.3842S