Quinoxaline derivatives of formula (I) are provided. ##STR1## wherein A is a hydrogen atom or 2-quinoxalyl group, B is 2-pyridyl or 4-quinolyl group and n is 0 or 1, or a pharmaceutically acceptable acid addition salt thereof. They are useful as antiulcer agents.
提供式(I)的
喹啉衍
生物。其中A是氢原子或2-
喹啉基团,B是2-
吡啶基或4-
喹啉基团,n为0或1,或其药学上可接受的酸加盐。它们可用作抗溃疡剂。