摘要 |
The invention relates to crystalline, water-free (1alpha, 2beta, 4beta, 5alpha, 7beta)-7-[(hydroxydi-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azo niatricyclo[3.3.1.02,4]nonane-bromide, to a method for its production, and to the use thereof in the production of a drug, especially in the production of an anticholinergic drug. 12 claims |