Synonyms: PodolactoneB, 7,8-deepoxy-7,8,15,17-tetradehydro-15-de(hydroxymethyl)-15-deoxy-, (1a,2a)-;3H,8H-Furo[2',3',4':4,5]oxireno[7,8]naphtho[2,1-c]pyran-3,8-dione,6-ethenyl-1a,2,2a,4a,4b,6,9b,9c-octahydro-2-hydroxy-2a,9b-dimethyl-, [1aR-(1aa,2b,2aa,4aa,4ba,6a,9bb,9ca)]-; Podolactone E