Drew, David M.Leznoff, Clifford C.2010-12-202010-12-201996Can. J. Chem., 1996, 74, 307-318.http://hdl.handle.net/10315/6442enThe Use of Bisphthalonitriles in the Synthesis of Side-strapped 1,11,15,25-Tetrasubstituted PhthalocyaninesArticlehttp://article.pubs.nrc-cnrc.gc.ca/ppv/RPViewDoc?issn=1480-3291&volume=74&issue=3&startPage=307