(Z)-2-[p-(1,2-Diphenyl-1-butenyl)phenoxy]-N,N-dimethylethylamine ,citrate 1-p-.beta.-Dimethylamino-ethoxyphenyl-trans-1,2-diphenylbut-1-ene 54965-24-1 AIDS-008877 AIDS008877 ICI 46474 citrate NSC180973 Nolvadex Tamoxifen Tamoxifen citrate