3-Dimethylamino-methyl-4,4'-dihydroxy-alpha,beta-diaethylstilben [German] 37013-41-5 4,4'-Stilbenediol, alpha,alpha'-diethyl-3-((dimethylamino)methyl)-, (E)- trans-alpha,alpha'-Diethyl-3-((dimethylamino)methyl)-4,4'-stilbenediol