Cedrenal

(3R)-2,3,4,7,8,8aβ-Hexahydro-3β,8,8-trimethyl-1H-3aα,7α-methanoazulene-6-carbaldehyde

[3R-(3alpha,3abeta,7beta,8aalpha)]-2,3,4,7,8,8a-hexahydro-3,8,8-trimethyl-1H-3a,7-methanoazulene-6-carboxaldehyde