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 .
