2-Propenoicacid, 3-[2-[2-(3,4-dihydroxyphenyl)ethenyl]-3,4-dihydroxyphenyl]-, (E,E)-

2-Propenoicacid, 3-[2-[2-(3,4-dihydroxyphenyl)ethenyl]-3,4-dihydroxyphenyl]-, (E,E)- · CAS 158732-59-3