EM 723;(1R,2R)-Tramadol EP Impurity D HCl;(+)-(1R,2R)-O-DESMETHYL TRAMADOL HCL;(+)-O-Desmethyl Tramadol hydrochloride;O-Desmethyl-cis-tramadol hydrochloride solution;(+)-O-Desmethyl Tramadol Hydrochloride (1.0 mg/mL in Methanol);3-[(1R,2R)-2-[(Dimethylamino)methyl]-1-hydroxycyclohexyl]phenol Hydrochloride;(1R-cis)-3-[2-[(Dimethylamino)methyl]-1-hydroxycyclohexyl]phenol Hydrochloride