24524-66-1 3,3'-Bis(dimethylamino-methyl)-4,4'-dihydroxy-alpha,beta-diaethylstilben [German] 4,4'-Stilbenediol, 3,3'-bis((dimethylamino)methyl)-alpha,alpha'-diethyl-, (E)- trans-3,3'-Bis((dimethylamino)methyl)-alpha,alpha'-diethyl-4,4'-stilbenediol