10alphaH-Ambros-11(13)-en-12-oic acid, 2alpha,8beta-dihydroxy-4-oxo-, gamma-lactone 20555-02-6 28975-01-1 Azuleno(6,5-b)furan-2,5-dione, decahydro-7-hydroxy-4a,8-dimethyl-3-methylene-, (3aR,4aS,7S,7aS,8S,9aR)- Azuleno(6,5-b)furan-2,5-dione, decahydro-7-hydroxy-4a,8-dimethyl-3-methylene-, (3aR-(3aalpha,4abeta,7alpha,7aalpha,8beta,9aalpha))- Burrodin