Brooker et al.
Journal of the American Chemical Society, 1951 , vol. 73, p. 5326,5330

Lo
Journal of the American Chemical Society, 1958 , vol. 80, p. 3466

Mastalerz, Harold; Mohammad, Taj; Gibson, Martin S.
Canadian Journal of Chemistry, 1987 , vol. 65, p. 2713 - 2716

Yang, Mei; Arai, Chika; Bakar Md., Abu; Lu, Jun; Ge, Jian-Feng; Pudhom, Khanitha; Takasu, Kiyosei; Kasai, Kazuki; Kaiser, Marcel; Brun, Reto; Yardley, Vanessa; Itoh, Isamu; Ihara, Masataka
Journal of Medicinal Chemistry, 2010 , vol. 53, # 1 p. 368 - 373