2,6-Methano-3-benzazocine-8,11-alpha-diol, 1,2,3,4,5,6-hexahydro-3,11-beta-dimethyl-6-ethyl-, hydrobromide 63903-53-7 beta-2',9-Dihydroxy-5-ethyl-9-methyl-2(N)-methyl-6,7-benzomorphan hydrobromide