Appeal No. 1997-2182
Application 08/137,443
wherein
R is hydrogen, (C -C )alkylcarbonyl,1 1 I2
(C -C )alkoxycarbonyl, mono(C -C )alkylaminocarbonyl,1 I2 1 12
or di(C -C )alkylaminocarbonyl;
1 12
R is mono(C -C )alkylaminocarbonyloxy,2 1 I8
di(C -C )alkylaminocarbonyloxy, or
1 8
aryl(C -C )alkylaminocarbonyloxy;
1 4
R is hydrogen or halo; or a pharmaceutically3
acceptable acid addition salt thereof.
Claim 21. A pharmaceutical composition which
comprises a pharmaceutically acceptable carrier and
an acetylcholinesterase inhibiting amount of the
compound of Claim 1.
Claim 22. A method of treating memory dysfunction
characterized by decreased cholinergic function
which comprises administering to a mammal an
3
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