(+-)-2'-Hydroxy-2,5,9-trimethyl-6,7-benzomorphan hydrobromide 112295-90-6 2,6-Methano-3-benzazocin-8-ol, 1,2,3,4,5,6-hexahydro-3,6,11-trimethyl-, hydrobromide(2R-(2-alpha,6-alpha,11R*))- NIH 7569 UM 743