Synonyms: AureobasidinA, 5-[4-(methylsulfinyl)-L-2-aminobutanoic acid]-;1H,15H-Pyrrolo[1,2-m][1,4,7,10,13,16,19,22,25]oxaoctaazacycloheptacosine,cyclic peptide deriv.;Cyclo[(2S)-2-amino-4-(methylsulfinyl)butanoyl-N-methyl-L-valyl-L-leucyl-3-hydroxy-N-methyl-L-valyl-(2R,3R)-2-hydroxy-3-methylpentanoyl-N-methyl-L-valyl-L-phenylalanyl-N-methyl-L-phenylalanyl-L-prolyl];L-Valine, N-(2-hydroxy-3-methyl-1-oxopentyl)-N-methyl-L-valyl-L-phenylalanyl-N-methyl-L-phenylalanyl-L-prolyl-4-(methylsulfinyl)-L-2-aminobutanoyl-N-methyl-L-valyl-L-leucyl-3-hydroxy-N-methyl-,a1-lactone, [R-(R*,R*)]-