Synonyms: Spiro[7H-cyclohepta[b]furan-7,2'(5'H)-furan]-2,5'(3H)-dione,octahydro-8-hydroxy-6,8-dimethyl-3-methylene- (8CI);Spiro[7H-cyclohepta[b]furan-7,2'(5'H)-furan]-2,5'(3H)-dione,octahydro-8-hydroxy-6,8-dimethyl-3-methylene-, [3aS-(3aa,6b,7a,8b,8aa)]-; 11-Epipsilostachyin; Cordilin; NSC 142794; NSC145916