Ключевые слова: abstract, atom, barbiturate, biochemistry, bond, chemical, chemical formula, chemical structure, chemistry, concept, death penalty, drawing, drug, education, element, euthanasia, execution, formula, futuristic, graphic, hypnotic, illustration, lethal injection, medical, medicine, molecular, molecule, object, organic, pattern, pentobarbital, pharmaceutical, pharmacy, reaction, remedy, research, science, scientific, scientist, sedative, structural, structure, symbol, technology, text, word,