5-苯甲酰基-3-乙烷磺酰基-2-溴胸苷

(S)-(-)-5-羟甲基-2(5H)-呋喃酮

(S)-(+)-3-(2,2-二甲基-1,3-二氧戊环-4-基)-顺式-2-丙烯酸乙酯

5-O-(tert-butyldimethylsilyl)-2,3-dideoxy-L-glyceropentonic acid γ-lactone

4(R)-azido-5(S)-[[(tert-butyldimethylsilyl)oxy]methyl]-3,4-dihydro-5H-furan-2-one