1310 ^^^ 



Di'puinide 

 HN : CCNHj) . N'H . C(N' H,^ : NH 



Pentaphenyl-diguanide 

 (PhN : C(XHPh)),NPh 



Alway, F. J. and Viele, F. \V. Araer. 

 Cheni. J., Baltimore, Md., 28, 1902,(292- 

 297). 



Tetraphemjl-m-tohjl-diguaiiide 

 (PhN : C(NHPh))2XC7H7 



Alway, F. J. and Viele, F. W. Amer. 

 Chem. J., Baltimore, Md., 28, 1902,(292- 

 297). 



Urea Carcoxylic Acid 



NH2.CO.NH.CO2H 



Allophanie acid. 



m- and p-Nitropheni/lallophanie acid 

 Ethyl esters 



XO2 . C'eH, . NH . CO . XH . COjEt 



Pickard, Robert Howson, Allen, 

 Charles, Bowdler, William Audley and 

 Carter, William. [Ethyl m- and p-nitro- 

 phenvlallophanate.] London, J. Chem. 

 Soc.,'81, 1902, (1569-1570). 



o-Tolylallophanie acid. Ethyl eater 

 CeH.Me . NH . CO . NH . COjEt 



Pickard, Roljert Howson, Allen, 

 Cliarles, Bowdler, William Audley and 

 Carter, William. [Ethvl o-tolvlallopha- 

 nate.] London, J. Chem. Soc.,'81, 1902, 

 (1571). 



Allophanie amide 



NH2 . CO . NH . CO . NH2 



Biuret. 



Ethylhiuret 

 NHEt . CO . NH . CO . NH^ 



Pickard, Robert Howson, Allen, 

 Charles, Bowdler, William Audley and 

 Carter, William. [Ethvlbiuret.] Lon- 

 don, J. Chem. Soc, 81, 1902, (1572). 



NO, 



1310 



Nitropltenyl-I'iurct 

 . CM, . NH . CO . N H . CO . NH, 



Pickard, Robert Howson, Allen, 

 Charles, Bowdler, William Audley and 

 Carter, William. [0-, m- and 2>-Nitro- 

 phenvlbiirret.] London, J. Chem. Soc., 

 81, 1902, (1568-1570). 



o-Tolyl-hiuret 



CgH.Me . NH . CO . NH . CO . NH2 



Pickard, Robert Howson, AUen, 

 Charles, Bowdler, William Audley and 

 Carter, William. [o-Tolvlbiuret.] Lon- 

 don, .J. Chem. Soc., 81, 1902, (1571). 



Carbamyl-biuret 



NHj . CO . NH . CO . NH . CO . NHj 



Di -m-nitrod iphe nylcarha mylbiuret 



CO(NH . CO . NH . C0H4 . N02)2 



Pickard, Robert Howson, Allen, 

 Charles, Bowdler, William Audley and 

 Carter, William. [Carbonyldi-?rt-nitro- 

 phenylcarbaitude.j London, J. Chem. 

 Soc, 81, 1902, (15C9). 



D i-o-tolylearhamylbiu ret 

 CO(NH . CO . NH . C6H,Me)2 



Pickard, Robert Howson, Allen, 

 Charles, Bowdler, William Audley and 

 Carter, W illiam. [Carbonyldi-o-tolylcarb- 

 amide.] London, J. Chem. Soc, 81, 

 1902, (1571). 



UraMIDO ACETIC ACID 



NH2 . CO . NH . CHj . CO2H 

 Hydantoie acid. 



PlienyUtydantoic acid. Kitrile 

 C9H9ON3 i.e. 

 CN . CH2 . NH . CO . NH . CgHs 



Slaves, August. Ueber das Nitril der 

 Aminoessigsaure. J. prakt. Chem., 

 Leipzig, (N.F.), 65, 1902, (188-197). 



}\/-Thiohydantoic acid. 



o- and p-Xylyl-\p-thiohydantoie acid 

 [1 :4:21 C6H3Me2.N : C(NH2). S . CH2.CO2H 



Wheeler, H. S. and Johnson, T. B. 

 Amer. Chem. J., Baltimore, Md.. 28, 

 1902,(121-158). 



