2(1H)-Quinolinone, 4-(acetyloxy)-1-ethyl-3-(2-(5-nitro-2-furanyl)ethenyl)- 4-(Acetyloxy)-1-ethyl-3-(2-(5-nitro-2-furanyl)ethenyl)-2(1H)-quinolinone 74693-56-4 BRN 4579809