hydrate ipratropium bromide hydrate (3-endo,8-syn)-3-[(3-hydroxy-2-phenylpropanoyl)oxy]-8-isopropyl-8-methyl-8-azoniabicyclo[3.2.1]octane bromide--water (1/1) 429.151 430.37642 C20H30NO3.H2O.Br C20H32BrNO4 CAS:66985-17-9 CHEBI:5957 DrugBank:DB00332 InChI=1S/C20H30NO3.BrH.H2O/c1-14(2)21(3)16-9-10-17(21)12-18(11-16)24-20(23)19(13-22)15-7-5-4-6-8-15;;/h4-8,14,16-19,22H,9-13H2,1-3H3;1H;1H2/q+1;;/p-1/t16-,17+,18+,19?,21+;; KEGG:D02212 KEWHKYJURDBRMN-ZEODDXGYSA-M The monohydrate form of ipratropium bromide. An anticholinergic drug, ipratropium bromide blocks the muscarinic cholinergic receptors in the smooth muscles of the bronchi in the lungs. This opens the bronchi, so providing relief in chronic obstructive pulmonary disease and acute asthma. [Br-].[H]O[H].[H][C@]12CC[C@]([H])(C[C@@H](C1)OC(=O)C(CO)c1ccccc1)[N@+]2(C)C(C)C chebi_ontology ipratropium bromide ipratropium bromide hydrate ipratropium bromide monohydrate