TY - JOUR A1 - Markgraf, J. H. A1 - Cort, J. R. A1 - Davis, H. A. A1 - Lindeman, N. I. A1 - Myers, C. R. A1 - Kraft, A. A1 - Christl, Manfred T1 - Strained Heterocyclic Systems. 20. Basicities of Bicyclic Quinoxalines N2 - No abstract available KW - Organische Chemie Y1 - 1991 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-58584 ER -