64441-34-5 67076-74-8 Antibiotic SF 1902 Antibiotic SF 1902A1 BRN 5799627 Cyclo(L-alloisoleucyl-L-seryl-L-allothreonylglycyl-(2R,3R)-3-hydroxy-2-methylnonanoyl-N-methyl-L-leucyl) Globomycin Glycine, N-(N-(N-(N-(N-(3-hydroxy-2-methyl-1-oxononyl)-N-methyl-L-leucyl)-L-alloisoleucyl)-L-seryl)-L-allothreonyl)-, rho-lactone SF-1902A1