A broad-spectrum antibiotic,C22H24N2O9,derived from the actinomycete Streptomyces rimosus and used to treat a variety of bacterial infections.

• 土霉素宽幅射的抗生素，C22H24N2O9，由放线菌衍生链菌素属霉素用来治疗各种细菌感染