abstract |
The present invention relates to bromide of (1, 2, 4, 5, 7, 7) -7 - [(hydroxy-2-thienylacetyl) oxy] -9,9-dimethyl-3-oxa-9 -azoniatriciclo [3.3.1.02,4] water-free, crystalline nonano, 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. |