allantoin 0 158.04399 158.117 5-Ureidohydantoin Allantoin N-(2,5-dioxoimidazolidin-4-yl)urea 5-Ureido-2,4-imidazolidindione CHEBI:22354 wikipedia.en:Allantoin kegg.compound:C01551 InChI=1S/C4H6N4O3/c5-3(10)6-1-2(9)8-4(11)7-1/h1H,(H3,5,6,10)(H2,7,8,9,11) metacyc.compound:ALLANTOIN allantoin pubmed:14619112 patent:US2158098 drugcentral:4268 hmdb:HMDB0000462 pubmed:11157020 CHEBI:13761 chebi_ontology An imidazolidine-2,4-dione that is 5-aminohydantoin in which a carbamoyl group is attached to the exocyclic nitrogen. pubmed:17190852 knapsack:C00007468 NC(=O)NC1NC(=O)NC1=O kegg.drug:D00121 4-ureido-2,5-imidazolidinedione lincs.smallmolecule:LSM-5190 POJWUDADGALRAB-UHFFFAOYSA-N Glyoxyldiureide CHEBI:2594 reaxys:83514 N-(2,5-Dioxo-4-imidazolidinyl)urea N-(2,5-dioxoimidazolidin-4-yl)urea cas:97-59-6 (2,5-Dioxo-4-imidazolidinyl)urea CHEBI:15676 C4H6N4O3 2,5-Dioxo-4-imidazolidinyl-urea organic heterocyclic compound