Müller, Matthias BN-phenanthryne: cyclotetramerization of an 1,2-azaborine derivative. [electronic resource] - Angewandte Chemie (International ed. in English) Aug 2014 - 9380-3 p. digital Publication Type: Journal Article ISSN: 1521-3773 Standard No.: 10.1002/anie.201403213 doi