10-alpha-H-AMBROS-11(13)-EN-12-OIC ACID, 1,6-beta-DIHYDROXY-4-OXO-, gamma-LACTON 10-alpha-H-Ambros-11(13)-en-12-oic acid, 1,6-beta-dihydroxy-4-oxo-, gamma-lactone 2571-81-5 Azuleno(4,5-b)furan-2,9-dione, decahydro-6a-hydroxy-6,9a-dimethyl-3-methylene-, (3aS-(3aalpha,6beta,6aalpha,9abeta,9balpha))- (9CI) Coronopilin Coronopolin NSC 85242