3-[(2R)-(tert-butoxycarbonylamino)-3-(4-methoxyphenyl)propanoylamino]propanoic acid

(E)-(S)-5-((S)-2-{3-[(R)-2-tert-Butoxycarbonylamino-3-(4-methoxy-phenyl)-propionylamino]-propionyloxy}-4-methyl-pentanoyloxy)-6-oxo-8-phenyl-oct-2-en-7-ynoic acid tert-butyl ester

dephenyldesepoxyarenastatin A

tert-butyl (5S,6R,2E)-5-[(2S)-2-[3-[(2R)-2-tert-butoxycarbonylamino-3-(4-methoxyphenyl)propanoylamino]propanoyloxy]-4-methylpentanoyloxy]-6-methylocta-2,7-dienoate