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(2007/10/02)Acetic acid 5-(4-diethylamino-phenylazo)-2-oxazolo[4,5-b]pyridin-2-yl-phenyl ester
Acetic acid 5-acetylamino-2-oxazolo[4,5-b]pyridin-2-yl-phenyl ester
Octanoic acid (3-hydroxy-4-oxazolo[4,5-b]pyridin-2-yl-phenyl)-amide
Acetic acid 5-amino-2-oxazolo[4,5-b]pyridin-2-yl-phenyl ester