53757-97-4 BENZ(a)AZULEN-6,9-IMINE, 4b,5,6,7,8,9,9a,10-OCTAHYDRO-2-METHOXY-11-METHYL-, (4bS Benz(a)azulen-6,9-imine, 4b,5,6,7,8,9,9a,10-octahydro-2-methoxy-11-methyl-, (4bS-(4b-alpha,6-beta,9-beta,9a-alpha))-, p-tolylsulfonate