(2S,3S,4S,5R,6S)-6-[1-cyclopropyl-6-fluoro-5-methyl-7-(3-methylpiperazin-1-yl)-4-oxoquinoline-3-carbonyl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid (2S,3S,4S,5R,6S)-6-[1-cyclopropyl-6-fluoro-5-methyl-7-(3-methylpiperazin-1-yl)-4-oxo-quinoline-3-carbonyl]oxy-3,4,5-trihydroxy-tetrahydropyran-2-carboxylic acid (2S,3S,4S,5R,6S)-6-[[1-cyclopropyl-6-fluoro-5-methyl-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolyl]-oxomethoxy]-3,4,5-trihydroxy-2-tetrahydropyrancarboxylic acid (2S,3S,4S,5R,6S)-6-[1-cyclopropyl-6-fluoro-4-keto-5-methyl-7-(3-methylpiperazin-1-yl)quinoline-3-carbonyl]oxy-3,4,5-trihydroxy-tetrahydropyran-2-carboxylic acid (2S,3S,4S,5R,6S)-6-[1-cyclopropyl-6-fluoro-5-methyl-7-(3-methylpiperazin-1-yl)-4-oxo-quinolin-3-yl]carbonyloxy-3,4,5-trihydroxy-oxane-2-carboxylic acid Grepafloxacin glucuronide C11597 Grepafloxacin 3-glucuronide