Heterobiaryl derivatives of the formula R.sub.1 NH--X.sub.1 --X.sub.2 --X.sub.3 --Y.sub.1 --Y.sub.2 --Y.sub.3 --Y.sub.4 --E (I) wherein R.sub.1, X.sub.1 to X.sub.3 and Y.sub.1 to Y.sub.4 are as defined herein, the tautomers, stereoisomers and mixtures thereof, and the salts, particularly the physiologically acceptable salts, thereof with organic or inorganic acids or bases. The derivatives have valuable pharmacological properties, such as inhibiting cell-cell aggregation and cell-matrix interactions.
公式R.sub.1 NH--X.sub.1 --X.sub.2 --X.sub.3 --Y.sub.1 --Y.sub.2 --Y.sub.3 --Y.sub.4 --E(I)的Heterobiaryl衍
生物,其中R.sub.1,X.sub.1至X.sub.3和Y.sub.1至Y.sub.4如本文所定义,其互变异构体,立体异构体和它们的混合物,以及其与有机或
无机酸或碱的盐,特别是生理上可接受的盐。这些衍
生物具有有价值的药理特性,如抑制细胞-细胞聚集和细胞-基质相互作用。