SEARCH Articles Figures Tables Indolo quinolizin Indolo quinolizin Indolo quinolizin-4-ones Indolo quinolizine Indolo quinolizine Indolo quinolizine alkaloids Indolo quinolizine alkaloids synthesis Indolo quinolizine alkaloids via 3-lithiation of an indole Indolo quinolizine synthesis Indolo quinolizine, octahydrosynthesis Indolo quinolizine, octahydrosynthesis Mannich reaction Indolo quinolizine, ring system Quinolizine Quinolizines