for the following products
1H,5H-Benzo[ij]quinolizine-9-carboxaldehyde,2,3,6,7-tetrahydro-8-hydroxy-1,1,7,7-tetramethyl- | 8-Hydroxy-1,1,7,7-tetramethyl-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinoline-9-carbaldehyde | 8-Hydroxy-1,1,7,7-tetramethyljulolidine-9-carboxaldehyde and 9-Formyl-8-hydroxy-1,1,7,7-tetramethyljulolidine
