Disclosed are 6-methylene-morphinan compounds corresponding to the formula: <IMAGE> wherein R1 and R3 are H or methyl and R2 is cyclopropylmethyl or cyclobutylmethyl. These compounds are useful as mixed analgesics/narcotic antagonists.
17-Cyclobutylmethyl-3-hydroxy- beta -methyl-6-methylene morphinane, and methods of treating pain with them