Buu-Hoi; Guettier
Recueil des Travaux Chimiques des Pays-Bas, 1946 , vol. 65, p. 502,507

PARADIGM THERAPEUTICS LTD.
Patent: WO2007/582 A1, 2007 ;
Location in patent: Page/Page column 35; 49-50 ;
WO 2007/000582 A1

Boehringer Ingelheim Pharmaceuticals, Inc.
Patent: US6492393 B1, 2002 ;

Vara Prasad; Markoski, Larry J.; Boyer, Fred E.; Domagala, John M.; Ellsworth, Edmund L.; Gajda, Christopher; Hagen, Susan E.; Tait, Bradley D.; Lunney, Elizabeth A.; Tummino, Peter J.; Ferguson, Donna; Holler, Tod; Hupe, Donald; Nouhan, Carolyn; Gracheck, Stephen J.; VanderRoest, Steven; Saunders, James; Iyer; Sinz
Bioorganic and Medicinal Chemistry Letters, 1999 , vol. 9, # 15 p. 2217 - 2222

Carpenter et al.
Journal of Organic Chemistry, 1951 , vol. 16, p. 586,606