1-(2,6,6-Trimethyl-1,3-cyclohexadien-1-yl)-2-buten-1-one 2-BUTEN-1-ONE, 1-(2,6,6-TRIMETHYL-1,3-CYCLOHEXADIEN-1-YL)- 23696-85-7 4-(2,6,6-Trimethylcyclohexa-1,3-dienyl)but-2-en-4-one Damascenone Damascenone (natural) EINECS 245-833-2 FEMA No. 3420 beta-Damascenone