Streptogramin A

**Definition:** A specific streptogramin group A antibiotic produced by Streptomyces graminofaciens and other bacteria.

**Tree numbers:** - D04.345.566.802.500.500 - D04.345.566.802.875.500 - D12.644.641.802.500.500 - D12.644.641.802.875.500

**Synonyms:** - Virginiamycin M1 - Staphylomycin M - Staphylomycin M1 - Pristinamycin IIA - Virginiamycin Factor M1