“Synthesis of functionalized chromeno[2,3-b]pyrrole-2,3-dicarboxylate via Zn(OTf)2-catalyzed annulation of 2-amino-4H-chromen-4-one and electron-deficient Acetylenes ”, IJC, vol. 64, no. 8, pp. 823–828, Aug. 2025, doi: 10.56042/ijc.v64i8.16926.