英文别名:
9'-fluoro-10'-(4-methyl-1-piperazinyl)-7'-oxospiro(cyclopropane-1,3'(2'H)-(7H)pyrido(1,2,3-de)(1,4)benzoxazine)-6'-carboxylic acid;Levofloxacin Impurity 38;Spiro[cyclopropane-1,3'(2'H)-[7H]pyrido[1,2,3-de][1,4]benzoxazine]-6'-carboxylic acid, 9'-fluoro-10'-(4-methyl-1-piperazinyl)-7'-oxo-