| 摘要 |
<p>Cephalosporin derivatives represented by formula (I) (wherein R represents -CH2-OCORa1 (wherein Ra1 represents an alkyl group),$(4,)$(wherein Rb1 represents an alkyl group),$(4,)$(wherein Rc1 represents an alkyl group),$(6,)$or phthalidyl group), are rapidly absorbed by blood when administered orally to exhibit an excellent antibacterial effect, thus being useful as agents to be applied orally for prophylaxis or treatment of bacteria-induced diseases. </p> |
