1,6-DIOXASPIRO(4.4)NONANE, 2-(2-(TETRAHYDRO-2-FURYL)ETHYL)- 2-(2-(Tetrahydro-2-furyl)ethyl)-1,6-dioxaspiro(4.4)nonane 4-19-00-04744 (Beilstein Handbook Reference) 63917-47-5 BRN 0123069