1,3-benzodioxole, 5-(2-propenyloxy)- 5-(2-propenyloxy)-1,3-benzodioxole 5-(allyloxy)-1,3-benzodioxole InChI=1/C10H10O3/c1-2-5-11-8-3-4-9-10(6-8)13-7-12-9/h2-4,6H,1,5,7H