“Comprehensive NMR Spectral Analysis and Prediction of Selected Coumarin Derivatives Using 1H, 13C, 2D-COSY, HSQC, and HMBC Techniques”. Asian Journal of Medical Research and Health Sciences (A-JMRHS) 3, no. 2 (August 1, 2025): 34–42. Accessed December 31, 2025. http://www.ajmrhs.com/index.php/journal/article/view/10.