3-(allyloxy)-4-methoxybenzoic acid InChI=1/C11H12O4/c1-3-6-15-10-7-8(11(12)13)4-5-9(10)14-2/h3-5,7H,1,6H2,2H3,(H,12,13 benzoic acid, 4-methoxy-3-(2-propenyloxy)-