Stumpf
Justus Liebigs Annalen der Chemie, 1877 , vol. 188, p. 10

Harmange, Jean-Christophe; Weiss, Matthew M.; Germain, Julie; Polverino, Anthony J.; Borg, George; Bready, James; Chen, Danlin; Choquette, Deborah; Coxon, Angela; DeMelfi, Tom; DiPietro, Lucian; Doerr, Nicholas; Estrada, Juan; Flynn, Julie; Graceffa, Russell F.; Harriman, Shawn P.; Kaufman, Stephen; La, Daniel S.; Long, Alexander; Martin, Matthew W.; Neervannan, Sesha; Patel, Vinod F.; Potashman, Michele; Regal, Kelly; Roveto, Phillip M.; Schrag, Michael L.; Starnes, Charlie; Tasker, Andrew; Teffera, Yohannes; Wang, Ling; White, Ryan D.; Whittington, Douglas A.; Zanon, Roger
Journal of Medicinal Chemistry, 2008 , vol. 51, # 6 p. 1649 - 1667

Dauben et al.
Journal of the American Chemical Society, 1951 , vol. 73, p. 1393,1397

Price; Enos; Kaplan
Journal of the American Chemical Society, 1947 , vol. 69, p. 2261,2263

PFIZER INC.
Patent: WO2005/21553 A1, 2005 ;
Location in patent: Page/Page column 43; 48 ;
WO 2005/021553 A1

Lv, Yongcong; Li, Mengyuan; Liu, Ting; Tong, Linjiang; Peng, Ting; Wei, Lixin; Ding, Jian; Xie, Hua; Duan, Wenhu
ACS Medicinal Chemistry Letters, 2014 , vol. 5, # 5 p. 592 - 597

ALLERGAN, INC.; OLD, David W.
Patent: WO2012/3145 A2, 2012 ;
Location in patent: Page/Page column 9; 20 ;

Astra Zeneca AB
Patent: US6365602 B1, 2002 ;
US 6365602 B1

SMITHKLINE BEECHAM CORPORATION
Patent: WO2007/76260 A2, 2007 ;
Location in patent: Page/Page column 37 ;

NOVARTIS AG; NOVARTIS PHARMA GMBH
Patent: WO2007/104538 A1, 2007 ;
Location in patent: Page/Page column 47 ;
WO 2007/104538 A1