(3,4,5-trimethoxyphenyl) (1-propenyl) ether (3,4,5-trimethoxyphenyl) (prop-1-enyl) ether 1,2,3-trimethoxy-5-[(1Z)-prop-1-en-1-yloxy]benzene InChI=1/C12H16O4/c1-5-6-16-9-7-10(13-2)12(15-4)11(8-9)14-3/h5-8H,1-4H3/b6-5 benzene, 1,2,3-trimethoxy-5-[(1Z)-1-propenyloxy]-