@article{Ikeda2017, author = "Mari Ikeda and Ajay Kumar Sah and Miki Iwase and Rina Murashige and Shunsuke Kuwahara and Yoichi Habata", title = "{Double-armed and tetra-armed cyclen-based cryptands}", year = "2017", month = "3", url = "https://tandf.figshare.com/articles/journal_contribution/Double-armed_and_tetra-armed_cyclen-based_cryptands/4028802", doi = "10.6084/m9.figshare.4028802.v1" }