- ox o - 1 H , 5 H - ben zo [ ij ] quin ol iz ine - 2 - car box y lic ▁acid . ▁ ▁The ▁mole cular ▁formula ▁is ▁C 1 4 H 1 2 F NO 3 . ▁ ▁It ▁is ▁a ▁white ▁pow der , ▁od or less , ▁flav or less , ▁ins ol ub le ▁in ▁water ▁but ▁sol ub le ▁in ▁organ ic ▁sol vent . ▁ ▁Ph arm ac ok inet ics ▁ ▁Fl um equ ine ▁is ▁considered ▁to ▁be ▁well ▁absor bed ▁and ▁is ▁ex cret ed ▁in ▁the ▁ur ine ▁and ▁f ec es ▁as ▁the ▁gl uc ur on ide ▁conjug ates ▁of ▁the ▁parent ▁drug ▁and ▁ 7 - h ydro xy fl um equ ine . ▁It ▁is ▁elimin ated ▁within ▁ 1 6 8 ▁hours ▁post - d osing . ▁▁ ▁However , ▁studies ▁concerning ▁the ▁cal f ▁li ver ▁showed ▁additional ▁un ident ified ▁resid ues , ▁of ▁which ▁a ▁new ▁met abol ite , ▁m l , ▁represented ▁the ▁major ▁single ▁met abol ite ▁ 2 4 ▁hours ▁after ▁the ▁last ▁do se ▁and ▁at ▁all ▁subsequent ▁time ▁points . ▁ ▁The ▁met abol ite ▁m l , ▁which ▁exhib ited ▁no ▁ant im icro b ial ▁activity , ▁was ▁present ▁in ▁both ▁free ▁and ▁protein - bound ▁fra ctions . ▁The ▁major ▁resid ue ▁found ▁in ▁the ▁ed ible ▁t issues ▁of ▁sheep , ▁p igs , ▁and ▁ch ick ens ▁was