C. Bhenki, S. Karhale, and V. Helavi, “5-sulfosalicylic acid as an efficient organocatalyst for environmentally benign synthesis of 2-substituted benzimidazoles”, Iran. J. Catal., vol. 6, no. 5, Feb. 2024, Accessed: May 21, 2026. [Online]. Available: https://oiccpress.com/ijc/article/view/3933