Leznoff, Clifford C.Lever, A.B.P.Greenberg, Shafrira2010-12-202010-12-201988Can. J. Chem., 1988, 66, 1059-1064.http://hdl.handle.net/10315/6432enApproaches Towards the Synthesis of a 2,9,16,23-Tetrasubstituted Phthalocyanine as a Pure IsomerArticlehttp://article.pubs.nrc-cnrc.gc.ca/ppv/RPViewDoc?issn=1480-3291&volume=66&issue=5&startPage=1059