corallidictyal B

(2S,2′R,4a′S,8a′S)-5-Hydroxy-2′,5′,5′,8a′-tetramethyl-6-oxo-3′,4′,4a′,5′,6′,7′,8′,8a′-octahydro-2′H,6H-spiro[1-benzofuran-2,1′-naphthalene]-7-carbaldehyd

(2S,2′R,4a′S,8a′S)-5-Hydroxy-2′,5′,5′,8a′-tetramethyl-6-oxo-3′,4′,4a′,5′,6′,7′,8′,8a′-octahydro-2′H,6H-spiro[1-benzofuran-2,1′-naphthalene]-7-carbaldehyde

(2S,2′R,4a′S,8a′S)-5-Hydroxy-2′,5′,5′,8a′-tétraméthyl-6-oxo-3′,4′,4a′,5′,6′,7′,8′,8a′-octahydro-2′H,6H-spiro[1-benzofuran-2,1′-naphthalene]-7-carbaldéhyde

corallidictyal B

Spiro[benzofuran-2(6H),1′(2′H)-naphthalene]-7-carboxaldehyde, 3′,4′,4′a,5′,6′,7′,8′,8′a-octahydro-5-hydroxy-2′,5′,5′,8′a-tetramethyl-6-oxo-, (2S,2′R,4a′S,8a′S)-