destruxin B

N-[N-[(R)-2-Hydroxy-4-methyl-1-oxopentyl]-L-Pro-L-Ile-N-methyl-L-Val-N-methyl-L-Ala-]-β-alanine lactone

N-[N-[(2R)-1-Oxo-2-hydroxy-4-methylpentyl]-L-Pro-L-Ile-N-methyl-L-Val-N-methyl-L-Ala-]-β-alanine lactone