Synthesis and Study of Properties of Phosphinic Pseudo-Prolylglycylproline. - Shevchenko, K. V.; Dmitriev, M. E.; Vinyukov, A. V.; Shevchenko, V. P.; Kalashnikova, I. P.; Nagaev, I. Yu.; Ragulin, V. V.; Myasoedov, N. F. (Doklady Chemistry, 2021)