| abstract |
1. Compounds of the general formula see diagramm : EP0002666,P55,F1 in which R is hydrogen, naphthyl, a radical of the formula see diagramm : EP0002666,P55,F2 unsubstituted thienyl or thienyl substituted with halogen or C1-4 -alkyl, furyl, pyridyl or pyridyl N-oxide ; R**1 is a free or esterified carboxyl group of from 1 to 8 carbon atoms, a radical of the formula see diagramm : EP0002666,P56,F3 R**2, R**3 and R**4 are the same or different and each can be hydrogen, halogen or C1-4 -alkyl ; X is hydrogen, halogen, C1-4 -alkyl, C1-4 -alkoxy, hydroxy, trifluoromethyl, nitro ; R**5, R**6, R**7, R**8 and R**9 are the same or different and can be hydrogen or C1-4 -alkyl ; A is O or S ; and m and n are the same or different and each can be the integer Q, 2 or 3 ; or a physiologically acceptable salt thereof. |