英文别名2-amino-5-oxochromeno[2,3-b]pyridine-3-carbonitrile; 2-Amino-10-oxo-10H-9-oxa-1-aza-anthracene-3-carbonitrile; 2-AMINO-5-OXO-5H-(1) BENZOPYRANO-(2,3-B)-PYRIDINE-3-CARBONITRILE; 2-amino-5-oxo-1-benzopyrano[2,3-b]pyridine-3-carbonitrile; 5H-[1]Benzopyrano[2,3-b]pyridine-3-carbonitrile, 2-amino-5-oxo- 
