abstract |
The invention relates to a crystalline monohydrate of (1α,2β,4β,5α,7β)-7-[(hydroxydi-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatrycyclo[3.3.1.02,4]nonane bromide, to a method for producing the same, and to the use thereof in the production of a medicament, especially for producing a medicament that has an anticholinergic effect. |