Ij. Elenkov et al., STEROL COMPOSITION OF THE BLACK-SEA SPONGE LISSODENDORYX VARIISCLERA, Comparative biochemistry and physiology. B. Comparative biochemistry, 115(2), 1996, pp. 287-289
Free sterols and sterol esters from the Black Sea sponge Lissodendoryx
variisclera were isolated. Fifteen sterols were identified, two of th
em for the first time in marine organisms (2i and 2f).