5,6-DIHYDROTHYMIDINE

1-[(2R,4S,5R)-4-hydroxy-5-methylol-tetrahydrofuran-2-yl]-5-methyl-5,6-dihydrouracil

1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methyl-1,3-diazinane-2,4-dione