(4,4-Dimethyl-2,5-dioxoimidazolidine-1,3-diyl)diethane-2,1-diyl)bis((3-mercaptopropionate) 3-Mercaptopropionic acid, 1,3-bis(2-hydroxyethyl)-5,5-dimethylhydantoin diester 55250-78-7 EINECS 259-549-1 Propanoic acid, 3-mercapto-, (4,4-dimethyl-2,5-dioxo-1,3-imidazolidinediyl)di-2,1-ethanediyl ester