Salam, A. and Akhtar, A. (2003) “?SYNTHESIS OF HETERO-BICYCLIC COMPOUNDS PART-X. FORMATION OF 2H,4H,5H 2,2-DIPHENYL-4, 5-DIOXOPYRIDO [4, 3-d] 1,3 DIOXIN”, Biological Sciences - PJSIR, 46(6), pp. 406–408. Available at: https://v2.pjsir.org/index.php/biological-sciences/article/view/1687 (Accessed: 18 May 2024).