Stoughton Journal of the American Chemical Society, 1941 , vol. 63, p. 2376,2378 Full Text Show Details Chem. Fabr. v. Heyden Patent: DE729851 , 1941 ; DRP/DRBP Org.Chem. Full Text Show Details Aspelund; Holmberg Finska Kemistsamf. Medd., 1943 , vol. 52, p. 250,255