Not available,1-cyclopropyl-6-fluoro-7- (2,2,3,3,5,5,6,6-octadeuteriopiperazin-1-yl)-4-oxoquinoline-3-carboxylic acid-Hydrochloride,"Labeled Ciprofloxacin, intended for use as an internal standard for the quantification of Ciprofloxacin by GC- or LC-mass spectrometry.",Ciprofloxacin Pesticide Standards