4,4'-(1,2-Diethylethylene)diphenol 5635-50-7 Dihydrodiethylstilbestrol Hexane, 3,4-bis(4-hydroxyphenyl)- NSC229419 Phenol, 4,4'-(1,2-diethyl-1,2-ethanediyl)bis- Phenol, 4,4'-(1,2-diethylethylene)di- Stilbestrol, dihydro- Vitestrol