53758-00-2 BENZ(a)AZULEN-6,9-IMIN-3-OL, 4b,5,6,7,8,9,9a,10-OCTAHYDRO-11-METHYL-, HYDROBROMI Benz(a)azulen-6,9-imin-3-ol, 4b,5,6,7,8,9,9a,10-octahydro-11-methyl-, hydrobromide, (4bs-(4b-alpha,6-beta,9-beta,9a-alpha))-