17-(Cyclobutylmethyl)-8beta-methyl-6-methylenmorphinan-3-ol 77287-89-9 9a-Cyclobutylmethyl-8beta-methyl-6-methylen-3-morphinanol Morphinan-3-ol, 17-(cyclobutylmethyl)-8-methyl-6-methylene-, (8beta)- N-(Cyclobutylmethyl)-8 beta-methyl-6-methylenemorphinan-3-ol TR 5379 Xorfanol [Spanish] Xorphanol Xorphanolum [Latin]