Marine Drugs, , vol. 11, # 5 p. 1427 - 1439

Journal of Organic Chemistry, , vol. 67, # 13 p. 4487 - 4493

Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), , p. 2202 - 2204

Ikadai, Junnai; Yoshida, Hiroto; Ohshita, Joji; Kunai, Atsutaka
Chemistry Letters, 2005 , vol. 34, # 1 p. 56 - 57

Pillay, M. Krishna; Palanivelu, S.
Journal of the Indian Chemical Society, 1986 , vol. 63, p. 1055 - 1059

Huang, Horng-Chih; Li, James J.; Garland, Danny J.; Chamberlain, Timothy S.; Reinhard, Emily J.; Manning, Robert E.; Seibert, Karen; Koboldt, Carol M.; Gregory, Susan A.; Anderson, Gary D.; Veenhuizen, Amy W.; Zhang, Yan; Perkins, William E.; Burton, Earl G.; Cogburn, J. Nita; Isakson, Peter C.; Reitz, David B.
Journal of Medicinal Chemistry, 1996 , vol. 39, # 1 p. 253 - 266

Pfizer Inc.
Patent: US6329396 B1, 2001 ;

Laali, Kenneth K.; Koser, Gerald F.; Subramanyam, Sundar; Forsyth, David A.
Journal of Organic Chemistry, 1993 , vol. 58, # 6 p. 1385 - 1392