Till \ll T \l:i'i ISM OP PBOT1 in 



2 The amino dibasic acids: 



artic, w 1 1 i « - 1 1 is amine-succinic acid, 



CH COOH 



! 

 CHNH COOH ; and 

 Q itaminic, which is aminoglutaric acid, 



«'ll 



• ■II COOH 



CHNH, COOH. 



Lastl there are the diamine- :t<i'l--, in which two urmij 



Lysine a e-diaminoeaproic acid, 



Ml 



/ 

 MM'll ell CH CH CH CH 



\ 



COOH. 



■lininr a-amino S-guanidine-valeriacic acid, 



Nil. 



/ 



1 1 N = C MI 



\ / 



Nii.nr -rii, rn CH 



\ 



COOH 

 The guanidine group in this acid is t>( interest because of i 1 ship 1 



Ml 



/ 



area, which is O = C 



\ 



NIL 



