spin-labeled analogues of vitamin b6 : 2 , 2 , 6 , 6-tetramethyl-n-oxylpiperydinyl-4- ( 5 ' phosphopyridoxyl ) -amine ( 1 ) and 2 , 2 , 6 , 6-tetramethyl-n-oxyl-piperydinyl-4- ( pyridoxal-5 ' ) -phosphate ( ii ) are synthesized .
C0087162
vitamin b6
C0034263
pyridoxal