1,3-bis(methoxymethyl)-5-fluorouracil

5-fluoro-3-(methoxymethyl)-1H-pyrimidine-2,4-dione

6-fluoro-7-methyl-2,4-diazabicyclo[4.2.0]octane-3,5-dione

(1α,6α,8β)-6-fluoro-8-methyl-2,4-diazabicyclo<4.2.0>octane-3,5-dione

(1α,6α,8α)-6-fluoro-8-methyl-2,4-diazabicyclo[4.2.0]octane-3,5-dione