“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 ”. 2025. Indian Journal of Chemistry (IJC) 64 (8): 823-28. https://doi.org/10.56042/ijc.v64i8.16926.