3-甲基-2-丁烯醛

(3-methyl-buta-1,3-dienyloxy)-trimethylsilane

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

methyl 5-O-benzoyl-3-C-methyl-2-deoxy-β-D-threo-pentofuranoside

1-(3'-C-methyl-2'-deoxy-β-D-threo-pentofuranosyl)thymine