A cephem compound (particularly its crystal) represented by the formula [I], wherein X is CH
3
COOH, CH
3
CH
2
COOH or CH
3
CN, and n is 0 to 5, is useful as an antibacterial agent (particularly anti-MRSA agent) and shows superior quality such as high solid stability, possible long-term stable preservation and the like.
一种
头孢菌素化合物(尤其是其晶体),其
化学式表示为[I],其中X为CH3COOH,CH3CH2COOH或CH3CN,n为0至5,可用作抗菌剂(尤其是抗MRSA剂),并显示出高固体稳定性,可能长期稳定保存等优良特性。