2,6-Methano-3-benzazocin-6-ol, 1,2,3,4,5,6-hexahydro-3-methyl-, propionate (ester), hydrochloride 30182-64-0 5-Carbethoxy-2-methyl-6,7-benzomorphan hydrochloride 5-Propionyloxy-2(N)-methyl-6,7-benzomorphan hydrochloride Propionic acid, 1,2,3,4,5,6-hexahydro-3-methyl-2,6-methano-3-benzazocin-6-yl-, hydrochloride