A compound in all possible isomeric forms and mixtures thereof of the formula ##STR1## wherein X and X' are individually selected from the group consisting of hydrogen, halogen, cyano, --NO.sub.2, --CF.sub.3 and alkyl and alkoxy of 1 to 8 carbon atoms, R is hydrogen or alkyl of 1 to 8 carbon atoms and Ar is selected from the group consisting of an unsubstituted or substituted aryl of 6 to 14 carbon atoms, an unsubstituted or substituted aromatic heterocyclic or a heterocyclic united with an unsubstituted or substituted aryl having cholecystokinine antagonistic activity.
一种化合物,具有所有可能的同分异构体和其混合物,其
化学式为##STR1##其中X和X'分别选自氢,卤素,
氰基,--NO.sub.2,--CF.sub.3和1至8个碳原子的烷基和烷氧基的群组,R为氢或1至8个碳原子的烷基,Ar选自未取代或取代的6至14个碳原子的芳基,未取代或取代的芳香杂环或与具有胆囊收缩素拮抗活性的未取代或取代的芳基结合的杂环。