Journal of Natural Products vol. 58, no. 8, pp. 1291 - 1295
Three new 9,10-secosteroids, calicoferols C-E [2-4] have been isolated from an undescribed gorgonian of the genus Muricella, and their structures determined by a combination of spectroscopic methods. Calicoferol D  exhibited potent antiviral activity and brine-shrimp lethality.