ram-378 ram-378 ram-378(7,8-dihydro-14-hydroxy-n-phenethylnormorphine) is an opioid analgesic. it is the n-phenethyl derivative of hydromorphinol. ram-378identifiers iupac name 3,6,14-trihydroxy-4,5α-epoxy-17-(2-phenylethyl)morphinan cas number4778-96-5 ypubchem cid5492826chemspider4591168 yuniijd4s8j3cmkcomptox dashboard (epa)dtxsid70963936 chemical and physical dataformulac24h27no4molar mass393.483 g·mol−13d model (jsmol)interactive image smiles c1c2(3cc4=c52(ccn3ccc6=cc=cc=c6)(1o)oc5=c(c=c4)o)o inchi inchi=1s/c24h27no4/c26-17-7-6-16-14-19-24(28)10-8-18(27)22-23(24,20(16)21(17)29-22)11-13-25(19)12-9-15-4-2-1-3-5-15/h1-7,18-19,22,26-28h,8-14h2/t18-,19+,22-,23-,24+/m0/s1key:gahrzwmahdwvcl-vkjmtuimsa-n (verify)