Folmer F, Harrison WT, Tabudravu JN, Jaspars M, Aalbersberg W, Feussner K, Wright AD, Dicato M, Diederich M. NF-kappaB-inhibiting naphthopyrones from the Fijian echinoderm Comanthus parvicirrus. J Nat Prod. 2008 Jan; 71(1):106-11.