申请人:Pfizer Inc.
公开号:US05506235A1
公开(公告)日:1996-04-09
This invention relates to compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are as defined hereinbelow that exhibit activity as immunostimulants.
这项发明涉及公式##STR1##中R.sup.1、R.sup.2、R.sup.3、R.sup.4、R.sup.5、R.sup.6和R.sup.7的化合物,这些化合物作为免疫刺激剂表现出活性。