<unk>  is a drug which is a derivative of metopon. It is a potent analgesic, around 60 times stronger than morphine, but produces significantly less constipation.<unk>  acts as an agonist at both μ- and δ-opioid receptors, with a Ki of 0.16nM at μ and 3.14nM at δ.
N-Phenethyl-14-ethoxymetopon
14-Ethoxymetopon
14-Methoxymetopon
14-Phenylpropoxymetopon
Echothiophate Iodide
Mercuric iodide
Cadmium iodide
Oxitropium bromide