fentanyl, fentanil, c22h28n2o molecule. it is opioid analgesic. skeletal chemical formula. paper packaging for drugs

fentanyl fentanil c22h28n2o fentanyle opioid anaesthetic narcotic analgesic drug carbon hydrogen nitrogen overdose pain palliative recreational transdermal analgesia lollipop care chronic schematic atomic molecule structure chemical chemistry formula compound atom molecular illustration vector paper packaging