has role has role is conjugate base of is conjugate acid of independent continuant gas molecular entity ammonia CHEBI:22533 AMMONIA ammoniac Ammoniak CHEBI:44269 Wikipedia:Ammonia KEGG:C00014 PDBeChem:NH3 Ammonia MetaCyc:AMMONIA chebi_ontology KNApSAcK:C00007267 HMDB:HMDB0000051 CHEBI:16134 [NH3] MolBase:930 CHEBI:13771 AMMONIA CHEBI:44284 amoniaco R-717 CHEBI:44404 Ammonia An azane that consists of a single nitrogen atom covelently bonded to three hydrogen atoms. KEGG:D02916 CHEBI:13405 CHEBI:13406 CHEBI:13407 CHEBI:7434 spirit of hartshorn NH3 NMR chemical shift reference compound metabolite ammonium azanide azane mononuclear parent hydride neurotoxin nucleophilic reagent mouse metabolite EC 3.5.1.4 (amidase) inhibitor refrigerant