“Synthesis of Unnatural Diethyl 2-Hydroxysuccinate From 2,3-Dihydroxysuccinic Acid As a Starting Material for Annonine Building Blocks”. Al-Nahrain Journal of Science 21, no. 4 (December 2, 2018): 30–37. Accessed November 4, 2024. https://mail.anjs.edu.iq/index.php/anjs/article/view/1983.