Synonyms: AureobasidinA, 5-L-leucine-;1H,15H-Pyrrolo[1,2-m][1,4,7,10,13,16,19,22,25]oxaoctaazacycloheptacosine,cyclic peptide deriv.; Antibiotic R 106VIII;Cyclo[L-leucyl-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, 3-hydroxy-N-[N-[N-[N-[1-[N-[N-[N-(2-hydroxy-3-methyl-1-oxopentyl)-N-methyl-L-valyl]-L-phenylalanyl]-N-methyl-L-phenylalanyl]-L-prolyl]-L-leucyl]-N-methyl-L-valyl]-L-leucyl]-N-methyl-,a1-lactone, [R-(R*,R*)]-