Diphosphonic acid derivatives and pharmaceutical preparations containing
申请人:Schering Aktiengesellschaft
公开号:US04503049A1
公开(公告)日:1985-03-05
Diphosphonic acid derivatives of Formula I ##STR1## wherein R is hydrogen, an alkali metal atom, an alkaline earth metal atom, or an alkyl group of 1-4 carbon atoms and A is derived from a carboxylic acid having anti-inflammatory and antiphlogistic activity and containing an aromatic or heteroaromatic group, of Formula II ACOOH (II), are pharmacologically efficacious compounds.