Synthesis and X-ray crystal structure of a tetracyclic gem-cis-bis(aminal) formed from N,N'-bis(2-aminophenyl)ethylenediamine and 1,10-phenanthroline-5,6-dione - Coyle, Barry; McCann, Malachy; McKee, Vickie; Devereux, Michael (ARKIVOC, 2003)
doi: 10.3998/ark.5550190.0004.707