Shirini, F. et al. 2024. 1,3-Dibromo-5,5-dimethylhydantoin (DBH) as a cheap and efficient catalyst for the synthesis of polyhydroquinolines and 12-aryl-8,9,10,12-tetrahydro [a] xanthene-11-ones. Iranian Journal of Catalysis. 3, 2 (Feb. 2024).