77327-05-0 Didemnin A, N-(1-(2-hydroxy-1-oxopropyl)-L-prolyl)-, (S)- Didemnin B L-Tyrosine, N-(1-(N-(4-((3-hydroxy-4-((N-(N-(1-(2-hydroxy-1-oxopropyl)-L-prolyl)-N-methyl-L-leucyl)-L-threonyl)amino)-6-methyl-1-oxoheptyl)oxy)-2,5-dimethyl-1,3-dioxohexyl)-L-leucyl)-L-prolyl)-N,O-dimethyl-, phi-lactone NSC 325319 NSC-325319