(2-propenyl) (3,4,5-trimethoxyphenyl) ether 5-(allyloxy)-1,2,3-trimethoxybenzene InChI=1/C12H16O4/c1-5-6-16-9-7-10(13-2)12(15-4)11(8-9)14-3/h5,7-8H,1,6H2,2-4H allyl (3,4,5-trimethoxyphenyl) ether benzene, 1,2,3-trimethoxy-5-(2-propenyloxy)-