topostin A1

Topostin D-654

topostin B

topostin A2

methyl (2S)-2-[[(2S,3S)-2-[[(2S)-1-[(3S)-3-[[(2S)-2-[[(2S)-2-acetamido-4-methylpentanoyl]amino]-4-amino-4-oxobutanoyl]amino]-2-hydroxy-4-phenylbutyl]pyrrolidine-2-carbonyl]amino]-3-methylpentanoyl]amino]-3-methylbutanoate

Jionoside A1

kapurimycin A1