Anti-infectives A∥ rights re served Marketed products 5 R R tosufloxacin F COOH CH,NH, R gemifloxacin NOCH H rovanoxacin NH H enoXacin Et NH MP士海医药工业研究院 NDUSTRYAnti-infectives All rights re served Marketed products 5 N N O COOH F R7 R1 tosufloxacin F F N NH2 gemifloxacin N CH2NH2 NOCH3 R1 R7 F F N NH2 H H trovafloxacin enoxacin Et N NH