abstract |
The invention provides (1α, 2ß, 4ß, 5α, 7ß) -7-[(hydroxydi-2-thienylacetyl) oxy] -9,9-dimethyl-3-oxa-9-azoniatricyclo [ 3.3.1.0 2,4 ] crystalline monohydrate of nonane-bromide, a process for its preparation and the preparation of a medicament, in particular its use for the preparation of a medicament with an anticholinergic effect. |