Schwieter,U. et al.
Helvetica Chimica Acta, 1962 , vol. 45, # 11 p. 528 - 541

Sadikoglou, Eldem; Magoulas, George; Theodoropoulou, Christina; Athanassopoulos, Constantinos M.; Giannopoulou, Efstathia; Theodorakopoulou, Olga; Drainas, Denis; Papaioannou, Dionysios; Papadimitriou, Evangelia
European Journal of Medicinal Chemistry, 2009 , vol. 44, # 8 p. 3175 - 3187

Schwieter,U. et al.
Helvetica Chimica Acta, 1962 , vol. 45, # 11 p. 528 - 541