5'-DEOXYTHYMIDINE

2',5'-dideoxythymidine

1-[(2R,4S,5R)-4-hydroxy-5-methyloxolan-2-yl]-5-methylpyrimidine-2,4-dione

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

1-[(2R,4S,5R)-4-hydroxy-5-methyl-tetrahydrofuran-2-yl]-5-methyl-pyrimidine-2,4-quinone