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(2007/10/03)D-Arabinonic acid phenylhydrazide
Neopterin
(6R,7S)-2-(benzylthio)-6,7-dihydroxy-3,5,5a,6,7,8,9a,10-octahydro-4H-pyrano[3,2-g]pteridin-4-one
N-phenyl-L-arabinonohydrazono-1,4-lactone
Acetic acid (E)-(1R,2S)-2-acetoxy-1-acetoxymethyl-4-phenylazo-but-3-enyl ester