oxycodone molecular structure, 3d model semi-synthetic opioid, structural chemical formula view from a microscope

oxycodone molecular structure microscope transparent glass bubble chemical formula model c18h21no4 semisynthetic opioid atom carbon oxygen hydrogen nitrogen drug pharmaceutical chemistry medicine pain molecule chronic narcotic analgesic cancer science relief palliative pharmacy treatment atomic disease therapy pharmacology research drawing thebaine generic medication remedy element oxycodon abuse education semi-synthetic structural view from microscope