Synonyms: AC1L4ED7;[(1S,3aR,4R,5R,6R,7aS)-6-[(5R,5aR,9aR)-5,9a-dimethyl-2,7-dioxo-6,9-dihydro-5aH-pyrano[3,4-b]oxepin-5-yl]-1-acetyloxy-5-formyloxy-3-(furan-3-yl)-7a-hydroxy-3a-methyl-7-methylidene-1,2,3,4,5,6-hexahydroinden-4-yl] (2R,3S)-2-hydroxy-3-methylpentanoate;70237-69-3;Pentanoic acid, 2-hydroxy-3-methyl-, (1S,3S,3aR,4R,5R,6R,7aS)-1-(acetyloxy)-5-(formyloxy)-3-(3-furanyl)-6-((5R,5aR,9aR)-5,5a,6,7,9,9a-hexahydro-5,9a-dimethyl-2,7-dioxo-2H-pyrano(3,4-b)oxepin-5-yl)octahydro-7a-hydroxy-3a-methyl-7-methylene-1H-inden-4-yl ester, (2R,3R)-