title: Novel syntheses of 5,6,12,12a-tetrahydro-12a-methyldibenzo-(b,g)indolizine systems.
mesh_terms: D007212:Indolizines / Q000138:chemical synthesis*; D007546:Isoquinolines / Q000138:chemical synthesis; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D008722:Methods
chemical_list: D007212:Indolizines; D007546:Isoquinolines