Ключевые слова: 2d, abuse, addiction, analgesic, atomic, atoms, carbon, chemical, chemistry, composition, compound, dependence, flat, formula, generic, hydrogen, icon, isolated, molecular, molecule, morphine, nitrogen, opioid, overdose, oxygen, oxymorfone, oxymorphon, oxymorphone, pain, painkiller, semisynthetic, structure, stylized, therapy, unit,