(1-Phenyl-1,2-dihydro-2-oxo-1,8-naphthyridin-3-yl)-4-acetoxybutane 1,8-Naphthyridin-2(1H)-one, 3-(4-(acetyloxy)butyl)-1-phenyl- 113206-32-9 UP 5145-52 UP-5145-52