(9-(4-Acetyl-3-hydroxy-2-n-propylphenoxymethyl)-4-oxo-pyrido(1,2-a)pyrimidin-3-yl)acetic acid 112668-63-0 4H-Pyrido(1,2-a)pyrimidine-3-acetic acid, 9-((4-acetyl-3-hydroxy-2-propylphenoxy)methyl)-4-oxo-