2,6-Methano-3-benzazocine-8,11-alpha-diol, 1,2,3,4,5,6-hexahydro-6-ethyl-3-methyl-, hydrochloride 63869-42-1 beta-2',9-Dihydroxy-5-ethyl-2(N)-methyl-6,7-benzomorphan hydrochloride