article 6 nonhuman 6 Echinodermata 4 Marine sterols 4 echinoderm 4 sterol 4 3beta acetoxy 11,21,22 trihydroxy 9,11 secocholest 5 en 9 one 2 3beta acetoxy 11,22 dihydroxy 9,11 secocholest 5 en 9 one 2 3beta acetoxy 11,22 dihydroxy 9,11 secoergost 5,24(28) dien 9 one 2 3beta,11 dihydroxy 9,11 seco 24 norcholest 5 en 9 one 2 3beta,11,21,22 tetrahydroxy 9,11 secocholest 5 en 9 one 2 3beta,11,22 trihydroxy 9,11 secocholest 5 en 9 one 2 3beta,11,22 trihydroxy 9,11 secocholest 5,24 dien 9 one 2 Animals 2 Anthozoa 2 Anti-Bacterial Agents 2 Antibiotics, Antifungal 2 Bacillus subtilis 2 Botrytis 2 Candida albicans 2 Clypeaster subdepressus 2 Clypeasteroida 2 Echinoidea 2 Encope emarginata 2 Escherichia coli 2 Gorgonia 2 Gorgonian 2 Magnetic Resonance Spectroscopy 2 Molecular Structure 2 Ophiocoma echinata 2