Mahmud A, Halim M, Ali M, Kabir M, Akhter K, Jahan K, Romman U. One pot synthesis of 2- amino-5-oxo-4-aryl-5, 6, 7, 8-tetrahydro- 4Hchromenes- 3-carboxilic acid ethyl esters. Bangladesh J. Sci. Ind. Res. [Internet]. 2018 Mar. 11 [cited 2024 Jul. 17];53(1):35-40. Available from: https://banglajol.info/index.php/BJSIR/article/view/35908