Synthesis, characterization and crystal structure of new tetrahydro-β-carboline as acetylcholinesterase inhibitor. - Mohamad Arshad, Ahmad Saifuddin; Chear, Nelson Jeng Yeou; Ezzat, Mohammed Oday; Hanapi, Nur Aziah; Meesala, Ramu; Arshad, Suhana; Mansor, Sharif Mahsufi; Mordi, Mohd Nizam (Journal of Molecular Structure, 2020)