destruxin E

3-Oxiranyl-cyclo(D-Lac-L-Pro-L-Ile-N-methyl-L-Val-N-methyl-L-Ala-βAla-)

N-[N-[(2R)-1-Oxo-2-hydroxy-3-oxiranylpropyl]-L-Pro-L-Ile-N-methyl-L-Val-N-methyl-L-Ala-]-β-alanine lactone