(E,Z)-1-Brom-2-(4-ethylphenyl)-1,2-diphenylethylen 1-Bromo-2-p-(ethylphenyl)-1,2-diphenylethylene 2-Brom-1-(4-ethylphenyl)-1,2-diphenylethylen 479-68-5 Acnestrol Broparestrol Broparestrol [DCF:INN] Broparestrolum [INN-Latin] Broparoestrol Broparoestrolum EINECS 207-537-1 L.N. 107 LN 107 Longestrol