(-)-6-Benzyl-2,12-dimethoxy-1-hydroxy-7-methyl-5,6,8,9-tetrahydro-7H-dibenz(d,f)azonine HCl 5H-Dibenz(d,f)azonin-1-ol, 6,7,8,9-tetrahydro-2,12-dimethoxy-7-methyl-6-(phenylmethyl)-, hydrochloride, (-)- 79989-18-7