SELECTED PAPERS 



TABLE XIII 



Penicillin G 



HC 



H H 

 ,C=Cs 



H H 



H H H 



N— C— C— S- 

 , H | | | 

 C— C— C C— N C— C/ U 



/CH 3 



II 



o o 



H 



OH 



Chloramphenicol 



H H 



Ox /C=C X H H H 



>N— C<C >C— C— C— CH 



</ ^c— C^ 



H H HO NHOH 



I 



c=o 



I 



CH 



/\ 



CI CI 



Streptidine 



NH H OH NH 



II \ / II 

 H 2 N— C H C H C— NH 2 



M I 



C— NH 



I 

 C— 



HN— C 



I 

 HO— C 



H 



H 



H 



OH 



O 



o 



I 



-CH 



I 



HC 



Streptobiosamine 



HC— COH 



" I 

 O 



CH 



I 



HCH 



H 



H 

 -O— C 



I 

 HC— N( 



HOCH 



HCOH 



I 

 HC— 



H 



^CH, 



O 



1 ,3-diguanidino-2,4, 5,6- 

 tetrahydroxy cyclohexane 



HOCH 

 H 



2 (methyl amino) glucose 



Streptomycin 



470 



