Yale et al.
Journal of the American Chemical Society, 1953 , vol. 75, p. 1933,1934

Gould, Ken J.; Hacker, Nigel P.; McOmie, John F. W.; Perry, David H.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 1834 - 1840

Kaizerman, Jacob A.; Aaron, Wade; An, Songzhu; Austin, Richard; Brown, Matt; Chong, Angela; Huang, Tom; Hungate, Randall; Jiang, Ben; Johnson, Michael G.; Lee, Gary; Lucas, Brian S.; Orf, Jessica; Rong, Minqing; Toteva, Maria M.; Wickramasinghe, Dineli; Xu, Guifen; Ye, Qiuping; Zhong, Wendy; McMinn, Dustin L.
Bioorganic and Medicinal Chemistry Letters, 2010 , vol. 20, # 15 p. 4607 - 4610

Paul, D. Brenton
Australian Journal of Chemistry, 1984 , vol. 37, # 1 p. 87 - 94