90293-81-5 Ofloxacin O-glucuronide Oflx glucuronide beta-D-Glucopyranuronic acid, 1-(9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido(1,2,3-de)-1,4-benzoxazine-6-carboxylate)