Doan, T. Y. O.; Tran, T. Y.; Nguyen, L. A.; Ngo, Q. A. Synthesis and Cytotoxicity Evaluation of 2-Benzoylbenzoxazoles by Reaction of O-Aminophenol With Acetophenone Catalyzed by Sulfur in DMSO. ETSD 2022, 32, 9-16.