ciklopentanon
reaktionsblandning av: trans-2,4-dimetyl-2-(5,6,7,8-tetrahydro-5,5,8,8-tetrametylnaftalen-2-yl)-1,3-dioxolan; cis-2,4-dimetyl-2-(5,6,7,8-tetrahydro-5,5,8,8-tetrametyl-naftalen-2-yl)-1,3-dioxolan