Synonyms: OstreogrycinB1 (7CI); Virginiamycin S1,2-D-alanine-4-[4-(dimethylamino)-N-methyl-L-phenylalanine]-;12H-Pyrido[2,1-f]pyrrolo[2,1-l][1,4,7,10,13,16]oxapentaazacyclononadecine,cyclic peptide deriv.; Glycine,N-[(3-hydroxy-2-pyridinyl)carbonyl]-L-threonyl-D-alanyl-L-prolyl-4-(dimethylamino)-N-methyl-L-phenylalanyl-4-oxo-L-pipecoloyl-L-2-phenyl-,r-lactone; Vernamycin Bg