α-Glucosidase inhibitory activity and cytotoxic effects of some cyclic urea and carbamate derivatives oleh Jelena B. Popović-Djordjević, Ivana I. Jevtić, Nadja Dj Grozdanić, Sandra B. Šegan, Mario V. Zlatović, Milovan D. Ivanović, Tatjana P. Stanojković