| Shubina, L.K., Fedorov, S.N., Levina, E.V., Andriyaschenko, P.V., Kalinovsky, A.I., Stonik, V.A., and Smirnov, I.S. 1998. Comparative study on polyhydroxylated steroids from echinoderms. Comp. Biochem. Physiol. B. 119:505-511. |
| |
| D’Auria, M.V., Paloma, L.G., Minale, L., Riccio, R., and Zampella, A. 1995. On the composition of sulfated polyhydroxysteroids in some ophiuroids and the structure determination of six new constituents. J. Nat. Prod. 58:189-196. |
| |
| Fedorov, S.N., Levina, E.V., Kalinovsky, A.I., Dmitrenok, P.S., and Stonik, V.A. 1994. Sulfated steroids from Pacific brittle stars Ophiopholis aculeata, Ophiura sarsi, and Stegophiura brachiactis. J. Nat. Prod. 57:1631-1637. |
| |
| Levina, E.V., Fedorov, S.N., Stonik, V.A., Andriyashchenko, P.V., Kalinovskii, A.I., and Isakov, V.V. 1990. Steroid compounds from ophiuroids II. Sulfated steroids from Ophiura sarsi and Ophiura leptoctenia. Chem. Nat. Comp. 26:408-411. |
| |
