(1)
Kalchenko, O. I.; Cherenok, S. O.; Rodik, R. V.; Mely, Y.; Klymchenko, A. S.; Gorbatchuk, V. V.; Kalchenko, V. I. Complexation of calix[4]arene Hydroxymethyl-Phosphonic Acid With Tryptophan and N-Acetyl-Tryptophan Amide. J. Org. Pharm. Chem. 2014, 12, 21-26.