The present invention concerns compounds of formula (I) in the form of any one of its stereoisomers or a mixture thereof, and wherein each R, independently from each other, represents a hydrogen atom or a methyl or ethyl group provided that at least one of said R groups represents a methyl or ethyl group, and R1 represents a methyl or ethyl group. Said compounds are useful in perfumery to impart odor notes of the woody, balsamic type.
