IUPAC:(2S,4R,4'aR,5'R)-5,7-dihydroxy-5'-methyl-4-phenyl-8'-(propan-2-yl)-3,4,4',4'a,5',6',7',8'-octahydro-3'H-spiro[1-benzopyran-2,2'-naphthalene]-6,8-dicarbaldehyde
IUPAC:(2S,4R,4'aR,5'R)-5,7-dihydroxy-5'-methyl-4-phenyl-8'-(propan-2-yl)-3,4,4',4'a,5',6',7',8'-octahydro-3'H-spiro[1-benzopyran-2,2'-naphthalene]-6,8-dicarbaldehyde