Antonov, A.S., Kalinovsky, A.I., and Stonik, V.A. 1998. Ulososide B, a new unusual norlanostane-triterpene glycoside and ist genuine aglycone from the Madagascar sponge Ulosa sp. Tetrahedron Lett. 39:3807-3808. |
|
Antonov, A.S., Kalinovskii, A.I., Stonik, V.A., Evtushenko, E.V., and Elyakov, G.B. 1994. Structure of ulososide A, a new triterpenoid glycoside from the Ulosa sp. sponge. Russ. Chem. Bull. 43:1265-1269. |
|