Molecular formula: C20H28O5
Relative molecular mass: 348
Character: brown powder
Origin: sponge Jaspis stellifera[1]
Biological activity and toxicity: Cytotoxicity IC50: L1210 0.54μg/mL, KB 1.8μg/mL, anti-epiphyte Crypyococcus neoformans (MIC 50μg/mL), Trichophyton memtagrophytes (MIC 12.5μg/mL), anti-bacterium Sarcina lutea (MIC 50μg/mL)[1].
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