An antibiotic,C31H36N2O11,produced by the actinomycete Streptomyces nivens and used to treat infections by gram-positive bacteria.

• 新生霉素抗生素，C31H36N2O11，由放线菌产生雪白链霉菌，并可用于治疗革兰氏阳性菌引起的传染病。