53758-02-4 BENZ(a)AZULEN-6,9-IMINE, 4b,5,6,7,8,9,9a,10-OCTAHYDRO-2-FLUORO-11-METHYL-, HYDRO Benz(a)azulen-6,9-imine, 4b,5,6,7,8,9,9a,10-octahydro-2-fluoro-11-methyl-, hydrochloride, (4bS-(4b-alpha,6-beta,9-beta,9a-alpha))-