| Synonyms: | 1-Hydroxy-1,2-dihydroobacunoic acid 3,4-lactone;1-Hydroxy-1,2-dihydroobacunoic acid ε-lactone;Desacetylnomilin;Oxireno[4,4a]-2-benzopyrano[6,5-g][2]benzoxepin-3,5,9(3aH,4bH,6H)-trione, 1-(3-furanyl)decahydro-11-hydroxy-4b,7,7,11a,13a-pentamethyl-, (1S,3aS,4aR,4bR,6aR,11S,11aR,11bR,13aS)- |