(E)-4-(2-(3,5-Dimethoxyphenyl)ethenyl)-2-methoxyphenol 108957-72-8 3,3',5'-Tri-O-methylpiceatannol NSC 381281 NSC-381281 Phenol, 4-(2-(3,5-dimethoxyphenyl)ethenyl)-2-methoxy-, (E)-