... Diss. Leiden. 1923: this Journal 44, 693 (1925). ') Lorang, Diss. Leiden. 1927: this Journal 46, 635 (19271. Page 2. 518 C,H,NH. CO . ... The flask was then allowed to stand at room temperature for half an hour and the contents poured R, This vol. p. 147. ;) Kniphorst, Diss. ...