Cheng1, J. et al. 2013. Supramolecular Fixation of Magnesium Tetraphenylporphyrin with Ethanolamine for SO2 Removal. Asian Journal of Chemistry. 25, 18 (Dec. 2013), 10393–10396. DOI:https://doi.org/10.14233/ajchem.2013.15521.