Bergmann Journal of Biological Chemistry, 1934 , vol. 104, p. 553,556 Full Text Show Details Bergmann; Schedl; Low Journal of Organic Chemistry, 1945 , vol. 10, p. 587,590 Full Text Show Details Bergmann; Dusza Justus Liebigs Annalen der Chemie, 1957 , vol. 603, p. 36,41