(8-beta)-17-(Cyclobutylmethyl)-6-methylenemorphinan-3-ol methanesulfonate 17-(Cyclobutylmethyl)-8beta-methyl-6-methylenemorphinan-3-ol methanesulfonate (salt) 17-Cyclobutylmethyl-3-hydroxy-6-methylene-8-beta-methylmorphinan 77287-90-2 Morphinan-3-ol, 17-(cyclobutylmethyl)-6-methylene-, (8-beta)-, methanesulfonate Morphinan-3-ol, 17-(cyclobutylmethyl)-8-methyl-6-methylene-, (8beta)-, methanesulfonate (salt) TR 5379M TR5379M XORPHANOL MESYLATE Xorphanol mesylate [USAN]