J. Kharodawala, Mohammad, and Arjun K. Rana. “Synthesis, IR and 13C-NMR Spectral Studies of Some 2-Pyrazolin-5-One Derivatives ”. Asian Journal of Chemistry 14, no. 2 (March 30, 2010): 967–973. Accessed November 29, 2024. https://asianpubs.org/index.php/ajchem/article/view/22245.