Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Janis Louie and John E. Gibby and Marc V. Farnworth and Thomas N. Tekavec,Efficient Nickel-Catalyzed [2 + 2 + 2] Cycloaddition of CO2 and Diynes,Journal of the American Chemical Society,0002-7863,American Chemical Society (ACS),2002-11-23,124,51,15188-15189,https://cir.nii.ac.jp/crid/1364233269626474624,https://doi.org/10.1021/ja027438e