1-(Hydroxymethyl)-5,5-dimethylhydantoin116-25-641 % similar N-(Hydroxymethyl)phthalimide118-29-635 % similar 1,3-Dichloro-5,5-dimethylhydantoin118-52-534 % similar Dbdmh77-48-534 % similar 3-Bromo-1-chloro-5,5-dimethylhydantoin126-06-733 % similar 1-Bromo-3-chloro-5,5-dimethylhydantoin16079-88-233 % similar Tetramethylolacetylenediurea5395-50-632 % similar