Synonyms: A-Homo-24-nor-4-oxa-6,7-secochola-7,20,22-triene-6-carboxylicacid,1,14:21,23-diepoxy-11-(formyloxy)-4a-(hydroxymethyl)-4a-methyl-12-(3-methyl-1-oxobutoxy)-3,15-dioxo-,d-lactone, (1a,4ab,5b,11b,12a,13a,14b,17a)-; Butanoic acid, 3-methyl-,(4aR,4bR,5R,6R,7R,7aR,8S,10aS,11aS,14aS)-6-(formyloxy)-8-(3-furanyl)hexadecahydro-4b,7a,14a-trimethyl-15-methylene-3,10,13-trioxo-5H-5,10a-methano-1H-cyclopenta[b]pyrano[3',4':2,3]oxepino[4,5-g]oxocin-7-ylester (9CI); (-)-Polystachin; Polystachin; Polystachin (limonoid)