title: A rapid and efficient ultrasound-assisted synthesis of 5,5-diphenylhydantoins and 5,5-diphenyl-2-thiohydantoins.
authors.affiliation: Research Laboratory of Organic Chemistry, Faculty of Chemistry, University of Kashan, Kashan, Iran.
authors.forename: Naimeh Moshtael
authors.initials: NM
authors.lastname: Arani
authors.forename: Javad
authors.initials: J
authors.lastname: Safari