SMILES: C[N+]1([C@@H]2CC(C[C@H]1[C@H]3[C@@H]2O3)OC(=O)C(C4=CC=CS4)(C5=CC=CS5)O)C
Description: The molecule is a quaternary ammonium ion obtained by methylation of the tertiary amino group of (1alpha,2beta,4beta,5alpha,7beta)-7-[(hydroxydi-2-thienylacetyl)oxy]-9-methyl-3-oxa-9-azoniatricyclo[3.3.1.0(2,4)]nonane. Used (in the form of the bromide hydrate) for maintenance treatment of airflow obstruction in patients with chronic obstructive pulmonary disease. It has a role as a muscarinic antagonist and a bronchodilator agent.