Khaligh DNG, Mutalabisin F. Iodine supported poly(4-vinylpyridine): Efficient and recoverable catalyst for the synthesis of 3,3-diheteroaromatic oxindoles. Malay. Catal. Int. J. [Internet]. 2023 Sep. 6 [cited 2024 Nov. 21];3(1). Available from: https://mcij.um.edu.my/index.php/MCIJ/article/view/41722