参考文献

Gen. Aniline Works Patent: US2128684 , 1935 ; Full Text Show Details Ciba Patent: US2272011 , 1938 ; Full Text Show Details Gen. Aniline Works Patent: FR793893 ; Full Text Show Details Funke; Mueller; Vadasz Journal fuer Praktische Chemie (Leipzig), 1935 , vol. <2> 144, p. 265,270