Tuttle
Journal of the American Chemical Society, 1923 , vol. 45, p. 1914

Kaltenbronn; Scherrer; Short; Jones; Beatty; Saka; Winder; Wax; Williamson
Arzneimittel-Forschung/Drug Research, 1983 , vol. 33, # 4 A p. 621 - 627