Synonyms: 6,11-diethyl-3-[(2-methylidenecyclopropyl)methyl]-1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocin-8-ol;UM 747;UM-747;AC1L4RQZ;AC1Q7AIE;AR-1H0136;6,11-Diethyl-1,2,3,4,5,6-hexahydro-3-((methylenecyclopropyl)methyl)-2,6-methano-3-benzazocin-7-ol;5alpha,9alpha-Diethyl-2'-hydroxy-2-methylenecyclopropylmethyl-6,7-benzomorphan