Chen, Wen-Tong, Rong-Hua Hu, Zhi-Gang Luo, and Hua-Long Chen. “Hydrothermal Synthesis and Crystal Structure of Non-Metallated Porphyrin”. Asian Journal of Chemistry 27, no. 1 (December 29, 2014): 158–160. Accessed July 19, 2024. https://asianpubs.org/index.php/ajchem/article/view/27_1_33.