Synonyms: Leucine,N-[N-[N-[N-[N-[N-[N-(3-hydroxy-13-methyltetradecanoyl)-L-a-glutamyl]-L-leucyl]-D-leucyl]-L-valyl]-L-a-aspartyl]-D-leucyl]-, y-lactone, L- (8CI); Surfactin C1(9CI); 1-Oxa-4,7,10,13,16,19,22-heptaazacyclopentacosane, cyclic peptide deriv.