3,5-dimethyl 2-hydroxy-cyclopenten-1-one, 2-Hydroxy-3,5-dimethylcyclopent-2-en-1-on, FEMA 3269, 3,5-dimethylcyclopent-2-en-2-olone, 2-hydroxy-3,5-dimethyl-2-cyclopentenone, 2-hydroxy-3,5-dimethylcyclopent-2-en-1-one, 2-hydroxy-3,5-dimethyl-cyclopent-2-ene-1-one