Ostreogrycin A (Mikamycin A, Pristinamycin IIA, Stephylomycin M1, Streptogramin A, Syncothrecin A, Synergistin A1, Virginiamycin M1, Vernamycin A, Antibiotic 14752-2, Antibiotic E129A, Antibiotic PA 114A, Antibiotic 1745Z3A, Antibiotic 547C, Factor M)