2,6-Methano-3-benzazocine-8,11-beta-diol, 1,2,3,4,5,6-hexahydro-3,11-alpha-dimethyl-6-ethyl-, diacetate (ester), hydrochloride 63869-40-9 alpha-2',9-Diacetoxy-5-ethyl-9-methyl-2(N)-methyl-6,7-benzomorphan hydrochloride