Streptogramin B

4-[4-(Dimethylamino)-N-methyl-L-phenylalanine]virginiamycin S1; Mikamycin B; Osteogrycin B; Pristinamycin IA; Synergistin B; Vernamycin Balpha
A specific streptogramin group B antibiotic produced by Streptomyces graminofaciens and other bacteria.