Plitidepsin;2-9-Didemnin B, 2-(1-(1,2-dioxopropyl)-L-proline)-;Aplidin;Didemnin A, N-(1-(1,2-dioxopropyl)-L-prolyl)-;L-Tyrosine, 1-(1,2-dioxopropyl)-L-prolyl-N-methyl-D-leucyl-L-threonyl-(3S,4R,5S)-4-amino-3-hydroxy-5-methylheptanoyl-(2S,4S)-4-hydroxy-2,5-dimethyl-3-oxohexanoyl-L-leucyl-L-prolyl-N,o-dimethyl-, (8-3)-lactone;3,6-Anhydro-(N-{(2S,4S)-4-[(3S,4R,5S)-3-hydroxy-4-{[N-(2-oxo-propanoyl)-L-prolyl-N-Methyl-D-leucyl-L-threonyl]aMino}-5-Methyl-heptanoyloxy]-2,5-diMethyl-3-oxohexanoyl}-L-leucyl-L-prolyl-N
