has role is deprotonated form of histamine 2-(1H-imidazol-4-yl)ethanamine CHEBI:18295 2-(4-Imidazolyl)ethylamine pubmed:16399866 drugcentral:1375 hmdb:HMDB0000870 pubmed:19843401 CHEBI:14401 pdb-ccd:HSM kegg.drug:D08040 1H-Imidazole-4-ethanamine CHEBI:43187 Histamine knapsack:C00001414 cas:51-45-6 reaxys:2012 HISTAMINE pubmed:19547708 A member of the class of imidazoles that is 1<em>H</em>-imidazole substituted at position C-4 by a 2-aminoethyl group. 2-(1H-imidazol-4-yl)ethanamine pubmed:24101735 metacyc.compound:HISTAMINE gmelin:2968 wikipedia.en:Histamine pubmed:22770225 CHEBI:817 CHEBI:24596 kegg.compound:C00388 imidazoles neurotransmitter histaminium aralkylamino compound mouse metabolite human metabolite