Novel phenylpiperazine derivatives of phenylpropionic acid, of general formula:
wherein R1 is a hydrogen or chlorine atom or a trifluoromethyl group and pharmaceutically acceptable salts thereof, a process for their production, and pharmaceutical compositions containing the same are disclosed. The compounds have analgesic properties.
本发明涉及苯基
丙酸的新型苯基
哌嗪衍
生物,其通式为:其中R1为氢、
氯或三
氟甲基基团及其药学上可接受的盐,公开了其制备过程和含有该化合物的药物组合物。这些化合物具有镇痛作用。