申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
                            
                            
                                公开号:EP1245550A1
                            
                            
                                公开(公告)日:2002-10-02
                            
                            
A compound of the formula:
 in which R1 and R2 are each lower alkyl or combined together to form lower alkylene, R3 is hydrogen or hydroxy, R4 is hydrogen or acyl, and A is lower alkylene, or a salt thereof, which is useful as a selective deacetylating agent.
                            以下式子的化合物
 其中 R1 和 R2 各为低级烷基或结合在一起形成低级亚烷基,R3 为氢或羟基,R4 为氢或酰基,A 为低级亚烷基,或其盐,可用作选择性去乙酰化剂。