dimenoxadol dimenoxadol dimenoxadol (inn) (brand name estocin (in russia)), or dimenoxadole (ban), is an opioid analgesic which is a benzilic acid derivative, closely related to benactyzine (an anticholinergic). further, the structure is similar to methadone and related compounds like dextropropoxyphene. dimenoxadolclinical dataother namesdimenoxadol, estocinatc codenonelegal statuslegal status au: s9 (prohibited substance) ca: schedule i de: anlage i (authorized scientific use only) us: schedule i un: psychotropic schedule i identifiers iupac name 2-(dimethylamino)ethyl 2-ethoxy-2,2-diphenylacetate cas number509-78-4 ypubchem cid17036drugbankdb01461 ychemspider16137 yunii4d65pbx0vkchemblchembl2104309comptox dashboard (epa)dtxsid5057759 chemical and physical dataformulac20h25no3molar mass327.424 g·mol−13d model (jsmol)interactive image smiles ccoc(c1=cc=cc=c1)(c2=cc=cc=c2)c(=o)occn(c)c inchi inchi=1s/c20h25no3/c1-4-24-20(17-11-7-5-8-12-17,18-13-9-6-10-14-18)19(22)23-16-15-21(2)3/h5-14h,4,15-16h2,1-3h3 ykey:rhuwrjwfhukved-uhfffaoysa-n y (verify) it was invented in germany in the 1950s, and produces similar effects to other opioids, including analgesia, sedation, dizziness and nausea. in the united states it is a schedule i narcotic controlled substance with an acscn of 9617 and a 2013 annual aggregate manufacturing quota of zero.