Molecular formula: C23H32O5
Relative molecular mass: 388
Character: brown powder
Origin: Alcyonacea Clavularia viridis
Biological activity and toxicity: showing strong cytotoxicity, anti tumor plants A549, (ED50=5.0*10-3µg/mL), HT-29(ED50=5.1*10-2µg/mL ), P-388(ED50=5.2*10-7µg/mL).
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