abstract |
The invention relates to crystalline monohydrate of (1alpha, 2beta, 4beta, 5alpha, 7beta) -7 - [(hydroxydi-2-thioethylacetyl) oxy] -9,9dimethyl- 3 -oxa -9- azonia -tricyclo [ 4] nonane bromide, a process for its preparation, and its use for the preparation of a medicament, in particular an agent having anticholinergic activity. |