1-(5-vinylcyclopent-2-en-1-yl)prop-2-en-1-yl acetate 2-cyclopentene-1-methanol, alpha,5-diethenyl-, acetate InChI=1/C12H16O2/c1-4-10-7-6-8-11(10)12(5-2)14-9(3)13/h4-6,8,10-12H,1-2,7H2,3H