Minnesota Mining and Manufacturing Company
Patent: US4672013 A1, 1987 ;

Kobayashi, Ryohei; Hanaya, Kengo; Shoji, Mitsuru; Sugai, Takeshi; Umezawa, Kazuo
Chemical and Pharmaceutical Bulletin, 2012 , vol. 60, # 9 p. 1220 - 1223,4

Lantz,R.; Michel,E.
Bulletin de la Societe Chimique de France, 1964 , p. 534 - 538

Hare, Alissa A.; Leng, Lin; Gandavadi, Sunilkumar; Du, Xin; Cournia, Zoe; Bucala, Richard; Jorgensen, William L.
Bioorganic and Medicinal Chemistry Letters, 2010 , vol. 20, # 19 p. 5811 - 5814