Azuleno[6,5-b]furan-2(3H)-one,4,7-bis(acetyloxy)decahydro-5-hydroxy-4a,8-dimethyl-3-methylene-,(3aR,4S,4aR,5S,7S,7aS,8R,9aS)-;2α,6α-diacetoxy-4β-hydroxy-11(13)-pseudoguaien-12,8α-olide;Azuleno[6,5-b]furan-2(3H)-one,4,7-bis(acetyloxy)decahydro-5-hydroxy-4a,8-dimethyl-3-methylene-...;Britannin;britanin;Britannilactone;6-O-Acetyl-4-O-deacetylinuchinenolide C