cefditoren acid

头孢托仑

p-Methoxybenzyl 7-((Z)-2-(2-tritylaminothiazol-4-yl)-2-methoxyiminoacetamido)-3(Z)-(4-methylthiazol-5-yl)vinyl-3-cephem-4-carboxylate

4-甲基噻唑-5-甲醛

7-苯乙酰氨基-3-氯甲基-4-头孢烷酸对甲氧基苄酯