4,4'-Stilbenediol, alpha,alpha'-diethyl-3,3',5,5'-tetramethyl- 4503-78-0 BRN 2626061 alpha,alpha'-Diethyl-3,3',5,5'-tetramethyl-4,4'-stilbenediol alpha,alpha'-Diethyl-3,3',5,5'-tetramethylstilbestrol