title: Spongiacidins A-D, new bromopyrrole alkaloids from hymeniacidon sponge
abstract: Four new bromopyrrole alkaloids, spongiacidins A-D (1-4), have been isolated from an Okinawan marine sponge Hymeniacidon sp. and the structures elucidated on the basis of spectral data and chemical means.
authors.affiliation: Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
authors.initials: K
authors.lastname: Inaba
authors.initials: H
authors.lastname: Sato
authors.initials: M
authors.lastname: Tsuda
authors.initials: J
authors.lastname: Kobayashi