Kalchenko, O. I.; Cherenok, S. O.; Solovyov, A. V. The Effect of 5,11,17,23-tetrakis(diisopropoxyphosphonyl)- 25,26,27,28-terapropoxycalix[4]arene on the Chromatographic Separation of Ecologically Hazardous Aromatic Compounds. J. Org. Pharm. Chem. 2018, 16, 50-56.