23522-05-6 3,5,5a,7,8,9b-Hexahydro-3,5a,9-trimethylnaphtho(1,2-b)furan-2,6(3H,4H)-dione (3S-(3alpha,3aalpha,5abeta,9bbeta))- BRN 4785228 Barrelierin Eudesm-4-en-12-oic acid, 6-hydroxy-1-oxo-, gamma-lactone Gracilin Naphtho(1,2-b)furan-2,6(3H,4H)-dione, 3,5,5a,7,8,9b-hexahydro-3,5a,9-trimethyl-, (3S-(3alpha,3aalpha,5abeta,9bbeta))- Taurin