File:Tamoxifen 200.svgN-dimethylethylamine 2-[][(Z)-1,2-di(phenyl)but-1-enyl]phenoxy]-N,N-dimethylethanamine [Z]-1-[p-Dimethylaminoethoxyphenyl]-1,2-diphenyl-1-butene Citofen Crisafeno
File:Trans-2-Butene-1,4-diol.svgDescriptionTrans-2-Butene-1,4-diol.svg English: Structure of trans-2-Butene-1,4-diol; (E)-2-Butene-1,4-diol, (E)-but-2-ene-1,4-diol, (2E)-but-2-ene-1,4-diol;