El-Abadelah, M.M., S.A. Saleh, and A.M. Awadallah. “4,5-Dihydro-1,2,4-Triazine-6-Ones Condensed With Heterocycles, Part 1: Synthesis and Spectral Properties of Chiral 4,5-Dihydro-6-Oxo-1,2,4-triazino[4,5-B] 1,2,3,4-Teterahydro-β-carbolines‡ ”. Asian Journal of Chemistry 9, no. 3 (March 30, 2010): 474–478. Accessed August 26, 2024. https://asianpubs.org/index.php/ajchem/article/view/23903.