Synthesis, molecular structure, intramolecular interactions and chemical reactivity analysis of a new hydrazone derived from ethyl α-cyano-5-formyl-2-pyrroleacrylate: Experimental and theoretical (DFT and QTAIM) approach. - Ram, Anant; Pandey, Anupama; Singh, Gargi; Kumar, Mukesh; Bharati, Poonam; Jaiswal, Mayank; Niranjan, Priydarshni; Kumar, Yashvinder; Rawat, Poonam; Singh, R.N. (Spectroscopy Letters, 2026)