Z. Kheilkordi, G. Mohammadi Ziarani, A. Badiei, and H. Vojoudi, “A green method for the synthesis of indeno[1,2-b]pyridines using Fe3O4@SiO2@PrSO3H as a nanomagnetic catalyst”, Iran. J. Catal., vol. 10, no. 1, Feb. 2024, Accessed: Jun. 24, 2026. [Online]. Available: https://oiccpress.com/ijc/article/view/3544