128887-35-4 2,4(1H,3H)-Pyrimidinedione, 5-fluoro-1-((3-nitro-4-propoxyphenyl)sulfonyl)- 5-Fluoro-1-((3-nitro-4-propoxyphenyl)sulfonyl)-2,4(1H,3H)-pyrimidinedione BRN 4336760 N'-(3-Nitro-4-propoxybenzenesulfonyl)-5-fluorouracil