EMBONATES OF QUINOLONECARBOXYLIC ACIDS AND OF THEIR DERIVATIVES,THEIR PREPARATION AND BACTERICIDAL COMPOSITIONS CONTAINING THEM

摘要

1. Embonates of quinolonecarboxylic acids and of their derivatives of the formula (I) see diagramm : EP0209000,P10,F1 x Yn in which n represents 1 or 2, Y represents the radical of the formula see diagramm : EP0209000,P10,F2 in which R**2 represents hydrogen, alkyl having 1 to 4 carbon atoms, B represents see diagramm : EP0209000,P10,F3 R**5 represents hydrogen, methyl or ethyl, R**6 represents hydrogen or methyl, R**7 represents hydrogen or methyl, and A represents =CH-.