Ex parte KOSLEY JR. et al. - Page 4




          Appeal No. 1997-2188                                                        
          Application 08/137,440                                                      





















                                                                                     
               Claim 4. The compound of Claim 3 wherein                               
                                                                                     
               R  is hydrogen, (C -C )alkylcarbonyl or1                1 12                                           
               (C -C )alkoxycarbonyl;                                                 
                 1  12                                                                
               R  is (C -C )alkenylcarbonyloxy, (C -C )2     3  12                      3  12                                
               alkynlcarbonyloxy,(C -C )cycloalkylcarbonyloxy                         
                                   3  12                                              
               or (C -C )cycloalkyl(C -C )alkylcarbonxyloxy;                          
                    3 12             1 12                                             
                                                                                     
          R  is hydrogen; and3                                                                     
               R  is hydrogen.4                                                                     
                                                                                     
               Claim 28. A pharmaceutical composition which                           
               comprises a pharmaceutically acceptable carrier                        
               and an acetylcholinesterase inhibiting amount                          
               of the compound of Claim 1.                                            

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