Amino-substituted bridged azabicyclic quinolone carboxylic acids and
申请人:Pfizer Inc.
公开号:US05147873A1
公开(公告)日:1992-09-15
Compounds of the formula ##STR1## wherein R.sup.1 is hydrogen, C.sub.1 -C.sub.6 alkyl, or a pharmaceutically acceptable cation; Y is cyclopropyl, ethyl or p-fluorophenyl, and X is hydrogen or fluoro, or X and Y taken together form a group ##STR2## wherein R.sup.3 is hydrogen or C.sub.1 -C.sub.4 alkyl; or a pharmaceutically acceptable salt thereof. Also disclosed are antibacterial pharmaceutical compositions comprising the foregoing compounds, methods of using the compounds in treating bacterial infections, and intermediates for the preparation of the compounds.