A carotane sesquiterpene as a potent modulator of the Maxi-K channel from Arthrinium phaesospermum - Ondeyka,J.G.; Ball,R.G.; Garcia,M.L.; Dombrowski,A.W.; Sabnis,G.; Kaczorowski,G.J.; Zink,D.L.; Bills,G.F.; Goetz,M.A.; Schmalhofer,W.A.; Singh,S.B. (Bioorg Med Chem Lett, 1995)