ANALOGS OF PYRIDOXAL 



563 



CH2NH3" 



HO^ >\ ^CH,OH 



H,C N. 



CHjOH 



CH2OH 



H3C N 

 H 



CH3 

 HO^^X/CH^OH 



XJ 



H3C N' 



Pyridoxamine 



3-Deoxypyridoxol 



4-Deoxypyridoxol 

 (deoxypyridoxine) 



CH2OH 

 HO^J^CH3 



CH2OCH3 

 H0^A^.^CH30H 



•XJ 



H^ 



CH2OH 

 HO, X^ ^CH,OH 



H,C— CKT ^NI 



5 - Deoxypy r idoxo 1 



4 - Methoxy methyl - 

 pyridoxol 



w-Methylpyridoxol 



CH2OCH2CH3 CH=NOH 



^^^..^^'Cv^CHaNHa HO^ JX /CH,OH 



--L y^ 



H,C— CH, Nl 



3 -2 JJ+ 



"XT' 



H^ 



nh: 



H3C "N 

 H 



CH2OH 



2-Ethyl-3-amino- 



4-ethoxyniethyl-5- 



aminomethylpyridine 



Pyridoxal oxime 



CHO 



Toxopyrimidine 



CH3 

 HOv. A^ /OH 



HaC^ Te 



NO, 



4-Nitrosalicylaldehyde , 2, 4-Dimethyl- cvcjo- 



•' ^ telluropentane-3, 5-dione 



