14-hydroxydihydrocodeine 14-hydroxydihydrocodeine 14-hydroxydihydrocodeine (ram-318) is an opiate analgesic drug, which is also an active metabolite of oxycodone and hydromorphinol. 14-hydroxydihydrocodeine is not currently marketed in any developed country, but has been of interest to pharmaceutical companies looking for new analgesics and antitussives. 14-hydroxydihydrocodeineidentifiers iupac name 3,14-dihydroxy-6-methoxy-4,5α-epoxy-17-methylmorphinan cas number7183-69-9 ypubchem cid5360241chemspider4514458 yunii75cdm1q08mcomptox dashboard (epa)dtxsid10222115 echa infocard100.208.390 chemical and physical dataformulac18h23no4molar mass317.385 g·mol−13d model (jsmol)interactive image smiles coc5ccc1cc2c4(o)ccc(o)c3oc5c1c34ccn2c inchi inchi=1s/c18h23no4/c1-19-8-7-17-14-10-3-4-12(22-2)15(14)23-16(17)11(20)5-6-18(17,21)13(19)9-10/h3-4,11,13,16,20-21h,5-9h2,1-2h3/t11-,13+,16-,17-,18+/m0/s1 ykey:lhtajtfggudlrh-qmvvxijusa-n y ny (what is this?) (verify)