1H-Benzo(de)quinoline-8-carboxaldehyde, 2,3,9,9a-tetrahydro-5,6-dimethoxy-7-hydroxy-1-methyl-,hydrochloride 63080-63-7 7-Hydroxy-5,6-dimethoxy-1-methyl-2,3,9,9a-tetrahydro-1H-benzo(de)chinolin-8-carboxaldehyde HCl