申请人:E. R. Squibb & Sons, Inc.
公开号:US05310932A1
公开(公告)日:1994-05-10
Novel compounds are disclosed having the formula ##STR1## wherein X, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are as defined herein.
这里披露了新的化合物,其具有公式##STR1##,其中X,R1,R2,R3,R4,R5,R6,R7和R8的定义如本文所述。