ESR spectrum of a stable triplet .pi. biradical: trioxytriangulene Allinson, Graeme ; Bushby, Richard J. ; Paillaud, Jean Louis ; Oduwole, Duro ; Sales, Keith Abstract Publication: Journal of the American Chemical Society Pub Date: March 1993 DOI: 10.1021/ja00058a076 Bibcode: 1993JAChS.115.2062A