InChI=1/C9H11BO3/c1-13-9-4-2-8(3-5-9)6-7-10(11)12/h2-7,11-12H,1H3/b7-6 [(E)-2-(4-methoxyphenyl)vinyl]boronic acid boronic acid, [(E)-2-(4-methoxyphenyl)ethenyl]-