英文别名tiotropium; [(1S,2S,4S,5R)-9,9-Dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonan-7-yl] 2-hydroxy-2,2-dithiophen-2-ylacetate;bromide; Tiotropium Bromide EP Impurity I; Tiotropium EP Impurity I; Tiotropium Bromide Impurity 9; (1±,22,42,5±,7±)-7-[(Hydroxydi-2-thienylacetyl)oxy]-9,9-dimethyl-3-Oxa-9-azoniatricyclo[3.3.1.0; (1R,2R,4S,5S,7r)-7-[(2-Hydroxy-2,2-dithiophen-2-ylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane Bromide; (1R,2R,4S,5S,7r)-7-(2-Hydroxy-2,2-di(thiophen-2-yl)acetoxy)-9,9-dimethyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-9-ium bromide; Tiotropium Bromide Impurity 22 Bromide 
