"Xanthoxal" . . "xanthoxin" . . . . . . . . . . . . "Xanthoxin" . . . . "Xanthoxin" . . . . "(2Z,4E)-5-[(1S,4S,6R)-4-Hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptan-1-yl]-3-methylpenta-2,4-dienal" .