thiopental molecule 3d, molecular structure, ball and stick model, structural chemical formula barbiturate

thiopental barbiturate 2thiobarbituric acid anticonvulsant sedative environmental contaminant xenobiotic drug allergen intravenous anaesthetic molecule molecular structure chemical formula c11h18n2o2s 3d model atom chemistry medicine science pharmaceutical compound atomic skeletal carbon disease oxygen hydrogen psychiatry material shape nitrogen organic health care medication supplement anesthesia anesthetic analgesic bond education