zopiclone molecule, structural chemical formula, ball-and-stick model, image cyclopyrrolone

zopiclone cyclopyrrolone imovane molecule molecular structure chemical formula isolated model c17h17cln6o3 atom oxygen atomic hydrogen insomnia cancer carbon sleeping hypnotic carcinogenic sedative addictive chemistry drug nitrogen medicine addiction skeletal pill pharmaceutical compound overdose icon tolerance dependence organic chlorine eszopiclone gaba zopiclon disease driving treatment pharmacology generic pharmacy therapy structural ball- -stick image ball- -stick cyclopyrrolone