Santosh, G. “Porphyrins With Five-Membered Ring Substituents on Meso-Position and Their Derivatives: Mini Review”. Asian Journal of Chemistry 32, no. 3 (January 31, 2020): 477–487. Accessed April 29, 2024. https://asianpubs.org/index.php/ajchem/article/view/32_3_1.