Two new 13-hydroxycembrane diterpenoids, arbolides A (1) and B (2), along with a known trihydroxysteroid, crassarosterol A (3), were isolated from the soft coral Sinularia arborea. The structures of new cembranes 1 and 2 were elucidated by spectroscopic methods. Steroid 3 was found to exhibit cytotoxicity toward K562 and MOLT-4 leukemia.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3801123 | PMC |
| http://dx.doi.org/10.3390/md11093372 | DOI Listing |
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