| abstract |
The present invention relates to the use of known cephem derivatives of formula (I), wherein n is zero, one or two; R1 is hydrogen or an organic radical, R2 represents halo or an organic radical or R1 and R2 taken together with the C-2 carbon atom of the cephem nucleus constitute a carbocyclic or heterocyclic group; R3 represents R2 as defined above or an organic radical, R4 is either R1 or an organic group, R5 is either R1 as defined above or halo or C1-C6 alkoxy, C1-C6 alkylthio or C1-C6 acylamino; R6 is R2 as defined above or an organic group, or pharmaceutically acceptable salt thereof. |