Similar names: Virginiamycin S1; Staphylomycin S (6CI,7CI,8CI); 12H-Pyrido[2,1-f]pyrrolo[2,1-l][1,4,7,10,13,16]oxapentaazacyclononadecine, cyclic peptide deriv.; Antibiotic 1754Z3B; Factor S; Factor S (antibiotic); Glycine, N-[(3-hydroxy-2-pyridinyl)carbonyl]-L-threonyl-D-2-aminobutanoyl-L-prolyl-N-methyl-L-phenylalanyl-4-oxo-L-2-piperidinecarbonyl-L-2-phenyl-, ρ-lactone; N-[(3-Hydroxy-2-pyridinyl)carbonyl]-L-threonyl-D-2-aminobutanoyl-L-prolyl-N-methyl-L-phenylalanyl-4-oxo-L-2-piperidinecarbonyl-L-2-phenylglycine ρ-lactone; Staphylomycin S1