Synonyms:
3-acetyl-2,7-dimethyl-5h-[1]benzopyrano[2,3-b]pyridin-5-on ; 3-acetyl-2,7-dimethyl-5h-chromeno[2,3-b]pyridin-5-one ; 3-acetyl-2,7-dimethyl-5h-(1)benzopyrano- (2,3-b)pyridin-5-one, tech., 90% ; 3-acetyl-2,7-dimethyl-5 h-[1]benzopyrano[2,3-b]pyridin-5-one ; 3-acetyl-2,7-dimethyl-5-oxo-5h-(1)benzopyrano-(2,3-b)-pyridin-5-one, tech grade 90% ; 3-acetyl-2,7-dimethyl-5h-(1)benzopyrano-(2,3-b)py ; 3-acetyl-2,7-dimethyl-5-oxo-(5h)-[1]benzopyrano[2.3-b]pyridin-5-one ; 3-acetyl-2,7-dimethyl-5h[1]benzopyrano-[2,b]-pyridine-5-one