Gao, Wei, Bo Shi, and Xue-Fen Wu. “Crystal Structure of Dimethylformamide-Tetraphenylporphyrinato-zinc(II)”. Asian Journal of Chemistry 25, no. 17 (November 12, 2013): 9748–9750. Accessed May 5, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_18_70.