申请人:Pfizer Inc.
公开号:US05498621A1
公开(公告)日:1996-03-12
Compounds of the formulae ##STR1## where R is cycloalkyl or aryl; R.sub.1 is alkyl, X is O or C.dbd.O; A is O or S; and B is N or CH are useful as hypoglycemic agents.
式##STR1##中R为环烷基或芳基;R.sub.1为烷基,X为O或C.dbd.O;A为O或S;B为N或CH的化合物可用作降糖药。