Pethidine
Summary Pethidine, also recognized as meperidine and marketed under the trade name Demerol and other brands, is a synthetic opioid analgesic belonging to the phenylpiperidine class. It was synthesized in 1938[10] with the initial intention of being an anticholinergic agent, a project led by the German chemist Otto Eisler. However, its pain-relieving properties were later …