| 摘要 |
A compound of Formula (I):wherein R is independently selected from (CH2)9-12, (CH2CH2)2O, (CH2CH2)3O2, (CH2CH2)4O3, (CH2CH2)5O4, (CH2CH2)6O5 or (CH2CH2CH2)3O2; or an acid addition salt or hydrate thereof. The compounds, with improved water solubility, have unusually high affinity for muscarinic receptors, and exhibit agonist activity useful in the treatment of neurological and other disorders, in which stimulating cholinergic activity is desirable.
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