“THEORETICAL STUDY OF CONCERTED DIELS-ALDER REACTIONS BETWEEN DIMETHYL 1,2,4,5-TETRAZINE-3,6-DICARBOXYLATE AND DIENOPHILES”, ANJS, vol. 12, no. 1, pp. 14–23, Mar. 2009, Accessed: Nov. 21, 2024. [Online]. Available: https://mail.anjs.edu.iq/index.php/anjs/article/view/1257