英文别名Y 9000; Y9000; Y-9000; 7-acetylchromeno[2,3-b]pyridin-5-one; 5H-(1)Benzopyrano(2,3-b)pyridin-5-one,7-acetyl; 7-Acetyl-5-oxo-5H-(1)benzopyrano(2,3-b)pyridine; 7-Acetyl-5-oxo-5H-1-benzopyrano<2,3-b>pyridin; Ketone,methyl 5-oxo-5H-(1)benzopyrano(2,3-b)pyridyl; 7-acetyl-chromeno[2,3-b]pyridin-5-one; 5H-[1]Benzopyrano[2,3-b]pyridin-5-one,7-acetyl-; Pranoprofen Impurity 33 
