150871-00-4 7H-Pyrido(1,2,3-de)-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-, (2,2-dimethyl-1-oxopropoxy)methyl ester, (+-)- OPOME Ofloxacin pivaloyloxymethyl ester