1,7-dioxaspiro[5.5]undec-3-en-5-ol, acetate 1,7-dioxaspiro[5.5]undec-3-en-5-yl acetate InChI=1/C11H16O4/c1-9(12)15-10-5-4-8-14-11(10)6-2-3-7-13-11/h4-5,10H,2-3,6-8H2,1H