申请人:Suntory Limited
公开号:US05057514A1
公开(公告)日:1991-10-15
1. A compound having the formula (I): ##STR1## wherein A is --CH.sub.2 --, --O--, or --S--; R.sup.1 is CH.sub.3 or OCH.sub.3 ; R.sup.2 is hydroxy of carboxy which may be optionally esterized or amidated; R.sup.3 is H or a lower alkyl; and n is 0 or an integer of 1 to 6 or a pharmaceutically acceptable sale thereof.
一种具有化学式(I)的化合物:##STR1## 其中A为--CH.sub.2 --,--O--或--S--;R.sup.1为CH.sub.3或OCH.sub.3;R.sup.2为可选择酯化或酰胺化的羟基或羧基;R.sup.3为H或低碳烷基;n为0或1至6的整数,或其药用可接受盐。