diethyl phthalate molecule, structural chemical formula, ball-and-stick model, image phthalate ester

diethyl phthalate ester molecule molecular structure chemical formula isolated model c12h14o4 atom carbon oxygen hydrogen chemistry eczema composition pvc phthalic dep teratogenic alcohol atomic skeletal toxic exposure ethyl teratogenicity toxicant science vinyl medicine poisonous drink pharmaceutical compounding structural ball- -stick image ball- -stick ester