Synthesis of complex compounds of the monoammonium salt of glycyrrhizic acid and thioureaIbrahim Askarov, Yusup Isaev, Gulnoza Tashtemirova, Sanjar Rustamov, Mahamadzarif Kadirov and Kamoliddin ShadmanovE3S Web Conf., 383 (2023) 04023DOI: https://doi.org/10.1051/e3sconf/202338304023