Jiang, X.-K., Deng, M., Mu, L., Zeng, X., Zhang, J.-X., & Yamato, T. (2012). Synthesis and Crystal Structure of a Novel Hexahomotrioxacalix[3]cryptand. Asian Journal of Chemistry, 25(1), 515–517. https://doi.org/10.14233/ajchem.2013.13395