Synonyms: 5H,17H-1,23:11,13-Diethano-2H,14H-[1,11]dioxacycloeicosino[2,3-b:12,13-b']dipyridine,eicosahydro-, [1S-(1R*,4aR*,11R*,12aS*,13R*,16aR*,23R*,24aS*)]-;(-)-Araguspongine D; (-)-Xestospongin A; (-)-Xestospongine A; Araguspongin D;Araguspongine D