triterpene derivative 26 article 20 drug isolation 18 nonhuman 18 unclassified drug 16 cytotoxicity 10 drug screening 10 drug structure 10 Triterpenes 8 controlled study 8 Animals 6 Fungi 6 Glycosides 6 Sea Cucumbers 6 drug activity 6 fungus culture 6 glycoside 6 priority journal 6 structure analysis 6 sulfation 6 Antifungal Agents 4 Cladosporium 4 Cytotoxicity 4 Dose-Response Relationship, Drug 4 Holothuroidea 4 Hydrolysis 4 Microbial Sensitivity Tests 4 Molecular Conformation 4 Molecular Structure 4 Psolus patagonicus 4