The present invention , in particular , in order to impart odor notes of violet leaf tone together with any green fragrance notes , a compound of formula (I), in any one of the forms of its stereoisomers or mixtures thereof , relates to the use to be used as perfuming ingredient , at that time , R 1 Each represent a hydrogen atom or a methyl group , the R 1 That at least one of a hydrogen atom R 2 C of straight-chain or branched chain shape 3-8 Represents an alkyl group or an unsaturated group and R 3 I represent a hydrogen atom or a methyl group .本発明は、特に、任意にグリーン香気ノートと一緒にスミレ葉調の香気ノートを付与するために、式(I)の化合物を、その立体異性体又はそれらの混合物のいずれか1つの形で、付香成分として用いる使用に関し、その際、R1はそれぞれ水素原子又はメチル基を表し、前記R1のうち少なくとも1つは水素原子であり;R2は直鎖状又は分枝鎖状のC3~8アルキル基又は不飽和基を表し;且つR3は水素原子又はメチル基を表す。