2-(cyclohexa-1,5-dien-1-ylmethyl)cyclopentanone InChI=1/C12H16O/c13-12-8-4-7-11(12)9-10-5-2-1-3-6-10/h2,5-6,11H,1,3-4,7-9H cyclopentanone, 2-(1,5-cyclohexadien-1-ylmethyl)-