Synonyms: (5alpha,6alpha)-7,8-didehydro-4,5-epoxy-3-methoxy-17-methylmorphinan-6-yl (1S)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptane-1-methanesulphonate;Codeine camphorsulfonate;(5alpha,6alpha)-7,8-Didehydro-4,5-epoxy-3-methoxy-17-methylmorphinan-6-yl (1S)-7,7-dimethyl-2-oxobicyclo(2.2.1)heptane-1-methanesulphonate;Einecs 281-527-5