- a dull-yellow, crystalline antibiotic powder, C22H24N2O9, produced by Streptomyces rimosus, used chiefly in treating infections caused by streptococci, staphylococci, Gram-negative bacilli, rickettsiae, and certain protozoans and viruses.
- a broad-spectrum antibiotic, obtained from the bacterium Streptomyces rimosus, used in treating various infections. Formula: C 22 H 24 N 2 O 9
