Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), , vol. 32, # 5 p. 927 - 934
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , # 5 p. 1024 - 1032

Chemische Berichte, , vol. 58, p. 333,336

Agricultural and Biological Chemistry, , vol. 50, # 4 p. 989 - 996

GLAX0SMITHKLINE LLC; BURGESS, Joelle, Lorraine; JOHNSON, Neil, W.; KNIGHT, Steven, David; LAFRANCE, Louis, Vincent, III; MILLER, William, H.; NEWLANDER, Kenneth, Allen; ROMERIL, Stuart, Paul; ROUSE, Meagan, B.; SUAREZ, Dominic; TIAN, Xinrong; VERMA, Sharad, Kumar
Patent: WO2013/39988 A1, 2013 ;
Location in patent: Page/Page column 213-214 ;

Leon, V.; Espidel, J.; Bolivar, R. A.
Organic Magnetic Resonance, 1983 , vol. 21, # 12 p. 766 - 769

Castelli,F.; Cannone,P.
Bulletin de la Societe Chimique de France, 1974 , p. 317 - 330