申请人:Merck Sharpe & Dohme Ltd.
                            
                            
                                公开号:US05324723A1
                            
                            
                                公开(公告)日:1994-06-28
                            
                            1,3-Oxazole and 1,3-thiazole compounds of formula I, and their pharmaceutically acceptable salts and prodrugs: ##STR1## wherein X represents oxygen or sulphur; R.sup.1 represents a non-aromatic azacyclic or azabicyclic ring system.
                            1,3-Oxazole和1,3-
噻唑化合物的
化学式I,以及它们的药用盐和前药:其中X代表氧或
硫;R.sup.1代表非芳香性的氮杂环或
氮杂双环环系统。