1-((4-Butoxy-3-nitrophenyl)sulfonyl)-5-fluoro-2,4(1H,3H)-pyrimidinedione 128887-36-5 2,4(1H,3H)-Pyrimidinedione, 1-((4-butoxy-3-nitrophenyl)sulfonyl)-5-fluoro- BRN 4337210