The present invention relates to the use as perfuming ingredient of a compound of formula in the form of any one of its stereoisomers or a mixture thereof, and wherein each R1 represents a hydrogen atom or a methyl group and at least one of said R1 is a hydrogen atom R2 represents a linear or branched C3-8 alkyl group or unsaturated groups and R3 represents a hydrogen atom or a methyl group in particular to impart odor notes of the violet leaves type optionally together with green odor notes.