Columnaristerol A, a novel 19-norsterol from the Formosan octocoral Nephthea columnaris. Issue 20 (15th October 2016) - Whuang, Ta-Yuan
Graphical abstract: Abstract: Columnaristerol A (1 ), a rare natural 19-norsterol possessing a 10β-hydroxy group was isolated from the Formosan octocoral Nephthea columnaris, and its structure was elucidated by spectroscopic methods. Sterol1 was found to be a cytotoxic agent that exhibited in vitro moderate cytotoxic activity against MOLT-4 and SUP-T1 human leukemia–lymphoma cell lines.