Piperazine compounds, process for preparing them, pharmaceutical composition and use.

摘要

Novel piperazine compounds of the formula: <CHEM> wherein either one of R<1> and R<2> is methoxy group and another is hydrogen atom, or a pharmaceutically acceptable acid addition salt thereof, a process for preparing them, a pharmaceutical composition containing them, and their use in the preparation of a medicament for the treatment or phophylaxis of peptic ulcers are disclosed.