2-(acetyloxy)-3-{[(2E)-3-(4-hydroxyphenyl)prop-2-enoyl]oxy}succinic acid 2-Acetoxy-3-[3-(4-hydroxy-phenyl)-acryloyloxy]-succinic acid InChI=1/C15H14O9/c1-8(16)23-12(14(19)20)13(15(21)22)24-11(18)7-4-9-2-5-10(17)6-3-9/h2-7,12-13,17H,1H3,(H,19,20)(H,21,22)/b7-4 butanedioic acid, 2-(acetyloxy)-3-[[(2E)-3-(4-hydroxyphenyl)-1-oxo-2-propenyl]oxy]-