| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a muscarinic receptor agonist stimulating cholinergic activity. Ž<P>SOLUTION: There is provided a compound of formula (I), wherein R<SB>3</SB>is H, CH<SB>2</SB>CH<SB>3</SB>, COCH<SB>3</SB>or formula (II). Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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