In the title compound. C17H14F2O3. the dihedral angle between the benzene rings is 20. 56 (8)° and the H atoms at the central propenone group are trans configured. https://www.bekindtopets.com/top-price-Gemplers-4-mil-Disposable-Nitrile-Gloves-Bucket-of-1000-Gloves-p8887-huge-savings/