10alphaH-Ambros-2-en-12-oic acid, 1,6beta-dihydroxy-4-oxo-,gamma-lactone 20555-05-9 Azuleno(4,5-b)furan-2,9-dione, 3,3a,4,5,6,6a,9a,9b-octahydro-6a-hydroxy-3,6,9a-trimethyl-, (3R,3aS,6S,6aS,9aS,9bR)- Azuleno(4,5-b)furan-2,9-dione, 3,3a,4,5,6,6a,9a,9b-octahydro-6a-hydroxy-3,6,9a-trimethyl-, (3R-(3alpha,3abeta,6alpha,6abeta,9aalpha,9bbeta))- Dihydroparthenin Hymenolin