3d image of pethidine skeletal formula

pethidine meperidine synthetic opioid pain medication phenylpiperidine anticholinergic agent analgesics anesthesia muscle relaxation analgesia analgesic relief anesthetic pethidine 4-phenylpiperidine alphaprodine mppp ketobemidone bemidones diphenoxylate piminodine anileridine biliary spasm renal colic anticholinergic serotonin syndrome diverticulitis opioid receptor tropane alkaloid local sodium ion channels stimulant antispasmodic dopamine transporter norepinephrine transporter monoamine neurotransmitters serotonergic neurons physical dependence addiction drug side effect action overdose pharmaceutics pharmaceutical pharmacodynamics 3d