Authors: Umeyama, A Adachi, K Ito, S Arihara, S

Citation: A. Umeyama et al., New 24-isopropylcholesterol and 24-isopropenylcholesterol sulfate from themarine sponge Epipolasis species, J NAT PROD, 63(8), 2000, pp. 1175-1177

Authors: Umeyama, A Ito, S Yoshigaki, A Arihara, S

Citation: A. Umeyama et al., Two new 26,27-cyclosterols from the marine sponge Stringylophora corticata, J NAT PROD, 63(11), 2000, pp. 1540-1542

Authors: Umeyama, A Ito, S Yuasa, E Arihara, S Yamada, T

Citation: A. Umeyama et al., A new bromopyrrole alkaloid and the optical resolution of the racemate from the marine sponge Homaxinella sp., J NAT PROD, 61(11), 1998, pp. 1433-1434

Authors: Umeyama, A Machida, M Nozaki, N Arihara, S

Citation: A. Umeyama et al., Peroxypolasol and mugipolasol: Two novel diterpenes from the marine spongeEpipolasis sp., J NAT PROD, 61(11), 1998, pp. 1435-1436