The molecule is a beta-hydroxy ketone that is cyclopent-2-en-1-one which is substituted at positions 2, 3, and 4 by (2Z)-but-2-en-1-yl, methyl, and hydroxy groups, respectively (the 2S enantiomer). It is an alicyclic ketone, a beta-hydroxy ketone, an enone, a secondary allylic alcohol and a monoterpenoid.
(4S)-2-[(Z)-but-2-enyl]-4-hydroxy-3-methylcyclopent-2-en-1-one