A piperazine derivative represented by the formula (I) below ##STR1## wherein R.sup.1 is lower alkyl or phenyl, R.sup.2 is hydrogen or lower alkyl, n is an integer of 2 to 10, is useful as an effective component of anti-inflammatory agent or antiallergic agent.
一种由下式(I)表示的
哌嗪衍
生物 ##STR1## 其中R.sup.1是低碳基或苯基,R.sup.2是氢或低碳基,n是2到10的整数,可用作抗炎药或抗过敏药的有效成分。