Qiao J-Q, Zhao J-H, Zhou W-Q, Lian H-Z. Synthesis and Quality Control of 3,3’-Diamino Diphenyl Sulfone by High Performance Liquid Chromatography. ajc [Internet]. 2014 Aug. 4 [cited 2024 Jul. 22];26(16):5015-20. Available from: https://asianpubs.org/index.php/ajchem/article/view/26_17_18