Bonnett et al.
Journal of the Chemical Society, 1959 , p. 2087,2092

AGIOS PHARMACEUTICALS, INC.; Popovici-Muller, Janeta; SAUNDERS, Jeffrey, O.; SALITURO, Francesco, G.; CAI, Zhenwei; YAN, Shunqi; ZHOU, Ding
Patent: WO2013/107405 A1, 2013 ;

Dannhardt; Obergrusberger
Archiv der Pharmazie, 1984 , vol. 317, # 2 p. 143 - 151