130598-05-9 2,4-Dioxaspiro(5,5)undecane-1,5,9-trione, 3,3-dimethyl-7-(2-furanyl)- 3,3-Dimethyl-7-(2-furanyl)-2,4-dioxaspiro(5.5)undecane-1,5,9-trione BRN 4330350