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Semisynthetic molecular sieve catalytic cracking catalysts ( series )

半合成分子筛催化裂化催化剂(系列产品)

A broad spectrum semisynthetic antibiotic produced by modifying cephalosporin .

由修改的头孢霉素制成的半合成的大光谱药物。

An important semisynthetic cephalosporin intermediate : 7-adca .

重要的半合成头孢菌素中间体--7-adca。

Simvastatin is a semisynthetic derivative of lovastatin .

辛伐他汀是洛伐他汀的半合成衍生物。

One of several broad spectrum antibiotic substances obtained from fungi and related to penicillin ( trade name mefoxin ) ; addition of side chains has produced semisynthetic antibiotics with greater antibacterial activity .

从与青霉素有关的药物中得来的大光谱抗生素（商标是头霉噻吩甲氧头孢菌素钠）；有更大抗菌作用的半合成抗生素。