英文别名2-(5H-chromeno[2,3-b]pyridin-7-yl)-2-hydroxypropanoic acid; 5H-[1]Benzopyrano[2,3-b]pyridine-7-ethanol, β,β-dimethoxy-α-methyl-; 7-(2-hydroxy-1,1-dimethoxypropyl)-5H-chromeno[2,3-b]pyridin-5-one; 1-(5H-chromeno[2,3-b]pyridin-7-yl)-1,1-dimethoxypropan-2-ol; Pranoprofen Impurity B; Pranoprofen impurity-A 
