{HEAD ~ Novel 7 piperazino} and 7 N methylpiperazino derivatives of {TAIL ~ 5 amino 1 cyclopropyl 6,8 dihydro 1,4 dihydro 4 oxoquinoline 3 carboxylic acids} as antibacterial agents are described as well as methods for their manaufacture, formulation, and use in treating bacterial infections 
{ HEAD ~ Novel 7 piperazino } and 7 N methylpiperazino derivatives of { TAIL ~ 5 amino 1 cyclopropyl 6,8 dihydro 1,4 dihydro 4 oxoquinoline 3 carboxylic acids } as antibacterial agents are described as well as methods for their manaufacture , formulation , and use in treating bacterial infections
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