Synonyms: 4,6,8,10,12-Heptadecapentaenoicacid,15-hydroxy-16-[5-hydroxy-8-(2-hydroxy-1,3,5-trimethyl-5-heptenyl)-10-methoxy-3,9-dimethyl-1,7-dioxaspiro[5.5]undec-2-yl]-3-methoxy-14-methyl-(9CI); 1,7-Dioxaspiro[5.5]undecane, 4,6,8,10,12-heptadecapentaenoic acidderiv.; (-)-Spirangien A; Spirangien A; Spirangiene A