Synonyms: 1H,5H-Benzo(ij)quinolizine-9-carboxaldehyde, 2,3,6,7-tetrahydro-8-hydroxy-;2,3,6,7-Tetrahydro-8-hydroxy-1H,5H-benzo(ij)quinolizine-9-carboxaldehyde;8-Hydroxy-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinoline-9-carbaldehyde;8-Hydroxy-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinoline-9-carbaldehyde (IM OCS);