Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTetracyclic acetal from N,N'-dimethylurea and glyoxal.AuthorsBarker, Robert H.; Vail, Sidney L.; Barcelo, Gail B.PublicationJournal of Heterocyclic Chemistry, 1966, Vol 3, Issue 3, p354ISSN0022-152XPublication typeArticleDOI10.1002/jhet.5570030325