cis,trans-Xanthoxin

trans,trans-5-(1',2'-Epoxy-4'-hydroxy-2',6',6'-trimethyl-1'-cyclohexyl)-3-methylpentadienal

2,4-Pentadienal, 5-(4-hydroxy-2,2,6-trimethyl-7-oxabicyclo(4.1.0)hept-1-yl)-3-methyl- (van)