1820-50-4 2,4-DIOXASPIRO(5.5)UNDEC-8-ENE, 3-(3-CYCLOHEXENYL)- 2,4-Dioxaspiro(5.5)undec-8-ene, 3-(3-cyclohexen-1-yl)- 3-(3-Cyclohexen-1-yl)-2,4-dioxaspiro(5.5)undec-8-ene 3-(3-Cyclohexenyl)-2,4-dioxaspiro(5.5)undec-8-ene BRN 1314755 EINECS 217-336-0