Novel substituted phenylacetic acid derivatives and a process for
申请人:Mitsubishi Yuka Pharmaceutical Co., Ltd.
公开号:US04016193A1
公开(公告)日:1977-04-05
Novel substituted phenylacetic acid derivatives having the formula: ##STR1## wherein R.sub.1 represents a hydrogen atom or lower alkyl radical and R.sub.3 represents an alkenyl or alkynyl radical having 3 - 4 carbon atoms with excellent anti-inflammatory and analgesic activities.