Leznoff, Clifford C.2010-12-202010-12-201968Can. J. Chem., 1968, 46, 1152-1153http://hdl.handle.net/10315/6384enThe Alkaline Decomposition of o-Phthalaldehyde Di-p-toluene SulfonylhydrazoneArticlehttp://article.pubs.nrc-cnrc.gc.ca/ppv/RPViewDoc?issn=1480-3291&volume=46&issue=7&startPage=1152