1,2,3,4,5,6-Hexahydro-3-methyl-2,6-methano-3-benzazocine hydrochloride 2,6-Methano-3-benzazocine, 1,2,3,4,5,6-hexahydro-3-methyl-, hydrochloride 2-Methyl-6,7-benzomorphan hydrochloride 23007-86-5