2-Cyclopenten-1-one, 2-hydroxy-3-methyl- 2-HYDROXY-3-METHYL-2-CYCLOPENTEN-1-ONE 2-Hydroxy-1-methylcyclopenten-3-one 2-Hydroxy-3-methylcyclopent-2-enone 3-Methyl-2-cyclopentene-2-ol-1-one 3-Methyl-2-hydroxy-2-cyclopentenone 3-Methylcyclopent-2-en-2-ol-1-one 3-Methylcyclopentane-1,2-dione 3-Methylcyclopentane-1,2-dione hydrate 80-71-7 AI3-36598 BRN 2039308 CCRIS 2940 Corylon Corylone Cycloten Cyclotene Cyclotene (ordorant) EINECS 201-303-2 EPA Pesticide Chemical Code 004049 Maple lactone NSC 133445